diff --git a/rrs/fixtures/initial_data.json b/rrs/fixtures/initial_data.json
index 03b8f0d..f7d6a63 100644
--- a/rrs/fixtures/initial_data.json
+++ b/rrs/fixtures/initial_data.json
@@ -22,27 +22,90 @@
         "model": "rrs.release", 
         "fields": {
             "name": "1.0", 
-            "end_date": "2011-04-15", 
+            "end_date": "2011-04-01", 
             "start_date": "2010-06-20"
         }
     }, 
     {
-        "pk": 41, 
-        "model": "rrs.milestone", 
+        "pk": 2, 
+        "model": "rrs.release", 
         "fields": {
-	    "release" : 1,
-            "name": "1.0All", 
-            "end_date": "2011-04-15", 
-            "start_date": "2010-06-20"
+            "name": "1.1", 
+            "end_date": "2011-10-03", 
+            "start_date": "2011-04-02"
         }
     }, 
+    {
+        "pk": 3, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.2", 
+            "end_date": "2012-04-27", 
+            "start_date": "2011-10-04"
+        }
+    }, 
+    {
+        "pk": 4, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.3", 
+            "end_date": "2012-10-26", 
+            "start_date": "2012-04-28"
+        }
+    }, 
+    {
+        "pk": 5, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.4", 
+            "end_date": "2013-04-26", 
+            "start_date": "2012-10-27"
+        }
+    }, 
+    {
+        "pk": 6, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.5", 
+            "end_date": "2013-10-18", 
+            "start_date": "2013-04-27"
+        }
+    }, 
+    {
+        "pk": 7, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.6", 
+            "end_date": "2014-05-25", 
+            "start_date": "2013-10-19"
+        }
+    }, 
+    {
+        "pk": 8, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.7", 
+            "end_date": "2014-10-31", 
+            "start_date": "2014-05-26"
+        }
+    }, 
+    {
+        "pk": 9, 
+        "model": "rrs.release", 
+        "fields": {
+            "name": "1.8", 
+            "end_date": "2015-04-24", 
+            "start_date": "2014-11-01"
+        }
+    },
+
     {
         "pk": 1, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 1,
-            "name": "1.0M1", 
-            "end_date": "2010-11-08", 
+            "release": 1, 
+            "name": "M1", 
+            "end_date": "2010-11-07", 
             "start_date": "2010-06-20"
         }
     }, 
@@ -50,9 +113,9 @@
         "pk": 2, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 1,
-            "name": "1.0M2", 
-            "end_date": "2010-12-24", 
+            "release": 1, 
+            "name": "M2", 
+            "end_date": "2010-12-10", 
             "start_date": "2010-11-08"
         }
     }, 
@@ -60,182 +123,119 @@
         "pk": 3, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 1,
-            "name": "1.0M3", 
-            "end_date": "2011-02-08", 
-            "start_date": "2010-12-20"
+            "release": 1, 
+            "name": "M3", 
+            "end_date": "2011-02-04", 
+            "start_date": "2010-12-11"
         }
     }, 
     {
         "pk": 4, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 1,
-            "name": "1.0M4", 
-            "end_date": "2011-04-15", 
-            "start_date": "2011-02-07"
-        }
-    }, 
-
-
-    {
-        "pk": 2, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.1", 
-            "end_date": "2011-10-06", 
-            "start_date": "2011-04-18"
-        }
-    }, 
-    {
-        "pk": 42, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 2,
-            "name": "1.1All", 
-            "end_date": "2011-10-06", 
-            "start_date": "2011-04-18"
+            "release": 1, 
+            "name": "M4", 
+            "end_date": "2011-04-01", 
+            "start_date": "2011-02-05"
         }
     }, 
     {
         "pk": 5, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 2,
-            "name": "1.1M1", 
-            "end_date": "2011-06-13", 
-            "start_date": "2011-04-18"
+            "release": 2, 
+            "name": "M1", 
+            "end_date": "2011-05-23", 
+            "start_date": "2011-04-02"
         }
     }, 
     {
         "pk": 6, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 2,
-            "name": "1.1M2", 
-            "end_date": "2011-07-25", 
-            "start_date": "2011-05-30"
+            "release": 2, 
+            "name": "M2", 
+            "end_date": "2011-07-04", 
+            "start_date": "2011-05-24"
         }
     }, 
     {
         "pk": 7, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 2,
-            "name": "1.1M3", 
-            "end_date": "2011-08-15", 
-            "start_date": "2011-07-11"
+            "release": 2, 
+            "name": "M3", 
+            "end_date": "2011-07-27", 
+            "start_date": "2011-07-05"
         }
     }, 
     {
         "pk": 8, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 2,
-            "name": "1.1M4", 
-            "end_date": "2011-10-06", 
-            "start_date": "2011-08-15"
-        }
-    }, 
-
-
-    {
-        "pk": 3, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.2", 
-            "end_date": "2012-04-27", 
-            "start_date": "2011-10-31"
-        }
-    }, 
-    {
-        "pk": 43, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 3,
-            "name": "1.2All", 
-            "end_date": "2012-04-27", 
-            "start_date": "2011-10-31"
+            "release": 2, 
+            "name": "M4", 
+            "end_date": "2011-10-04", 
+            "start_date": "2011-07-28"
         }
     }, 
     {
         "pk": 9, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 3,
-            "name": "1.2M1", 
-            "end_date": "2011-12-23", 
-            "start_date": "2011-10-31"
+            "release": 3, 
+            "name": "M1", 
+            "end_date": "2011-12-02", 
+            "start_date": "2011-10-04"
         }
     }, 
     {
         "pk": 10, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 3,
-            "name": "1.2M2", 
-            "end_date": "2012-02-03", 
-            "start_date": "2011-12-12"
+            "release": 3, 
+            "name": "M2", 
+            "end_date": "2012-01-06", 
+            "start_date": "2011-12-03"
         }
     }, 
     {
         "pk": 11, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 3,
-            "name": "1.2M3", 
-            "end_date": "2012-03-16", 
-            "start_date": "2012-01-23"
+            "release": 3, 
+            "name": "M3", 
+            "end_date": "2012-02-24", 
+            "start_date": "2012-01-07"
         }
     }, 
     {
         "pk": 12, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 3,
-            "name": "1.2M4", 
+            "release": 3, 
+            "name": "M4", 
             "end_date": "2012-04-27", 
-            "start_date": "2012-03-05"
-        }
-    }, 
-
-
-    {
-        "pk": 4, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.3", 
-            "end_date": "2012-10-26", 
-            "start_date": "2012-05-14"
-        }
-    }, 
-    {
-        "pk": 44, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 4,
-            "name": "1.3All", 
-            "end_date": "2012-10-26", 
-            "start_date": "2012-05-14"
+            "start_date": "2012-02-25"
         }
     }, 
     {
         "pk": 13, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 4,
-            "name": "1.3M1", 
-            "end_date": "2012-06-29", 
-            "start_date": "2012-05-14"
+            "release": 4, 
+            "name": "M1", 
+            "end_date": "2012-06-10", 
+            "start_date": "2012-04-28"
         }
     }, 
     {
         "pk": 14, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 4,
-            "name": "1.3M2", 
-            "end_date": "2012-07-27", 
+            "release": 4, 
+            "name": "M2", 
+            "end_date": "2012-07-08", 
             "start_date": "2012-06-11"
         }
     }, 
@@ -243,19 +243,19 @@
         "pk": 15, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 4,
-            "name": "1.3M3", 
-            "end_date": "2012-08-24", 
-            "start_date": "2012-07-08"
+            "release": 4, 
+            "name": "M3", 
+            "end_date": "2012-08-05", 
+            "start_date": "2012-07-09"
         }
     }, 
     {
         "pk": 16, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 4,
-            "name": "1.3M4", 
-            "end_date": "2012-09-21", 
+            "release": 4, 
+            "name": "M4", 
+            "end_date": "2012-09-02", 
             "start_date": "2012-08-06"
         }
     }, 
@@ -263,131 +263,79 @@
         "pk": 17, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 4,
-            "name": "1.3M5", 
+            "release": 4, 
+            "name": "M5", 
             "end_date": "2012-10-26", 
-            "start_date": "2012-09-19"
-        }
-    }, 
-
-
-    {
-        "pk": 5, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.4", 
-            "end_date": "2013-04-26", 
-            "start_date": "2012-10-29"
-        }
-    }, 
-    {
-        "pk": 45, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 5,
-            "name": "1.4All", 
-            "end_date": "2013-04-26", 
-            "start_date": "2012-10-29"
+            "start_date": "2012-09-03"
         }
     }, 
     {
         "pk": 18, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 5,
-            "name": "1.4M1", 
+            "release": 5, 
+            "name": "M1", 
             "end_date": "2012-12-14", 
-            "start_date": "2012-10-29"
+            "start_date": "2012-10-27"
         }
     }, 
     {
         "pk": 19, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 5,
-            "name": "1.4M2", 
+            "release": 5, 
+            "name": "M2", 
             "end_date": "2013-01-11", 
-            "start_date": "2012-11-26"
+            "start_date": "2012-12-15"
         }
     }, 
     {
         "pk": 20, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 5,
-            "name": "1.4M3", 
+            "release": 5, 
+            "name": "M3", 
             "end_date": "2013-02-08", 
-            "start_date": "2012-12-24"
+            "start_date": "2013-01-12"
         }
     }, 
     {
         "pk": 21, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 5,
-            "name": "1.4M4", 
+            "release": 5, 
+            "name": "M4", 
             "end_date": "2013-03-08", 
-            "start_date": "2013-01-21"
+            "start_date": "2013-02-09"
         }
     }, 
     {
         "pk": 22, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 5,
-            "name": "1.4M5", 
+            "release": 5, 
+            "name": "M5", 
             "end_date": "2013-04-05", 
-            "start_date": "2013-02-18"
+            "start_date": "2013-03-09"
         }
     }, 
     {
         "pk": 23, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 5,
-            "name": "1.4M6", 
-            "end_date": "2013-04-26", 
-            "start_date": "2013-03-18"
-        }
-    }, 
-
-
-    {
-        "pk": 6, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.5", 
-            "end_date": "2013-10-18", 
-            "start_date": "2013-05-06"
-        }
-    }, 
-    {
-        "pk": 46, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 6,
-            "name": "1.5All", 
-            "end_date": "2013-10-18", 
-            "start_date": "2013-05-06"
-        }
-    }, 
-    {
-        "pk": 23, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 6,
-            "name": "1.5M1", 
-            "end_date": "2013-06-21", 
-            "start_date": "2013-05-06"
+            "release": 6, 
+            "name": "M1", 
+            "end_date": "2013-06-02", 
+            "start_date": "2013-04-27"
         }
     }, 
     {
         "pk": 24, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 6,
-            "name": "1.5M2", 
-            "end_date": "2013-07-19", 
+            "release": 6, 
+            "name": "M2", 
+            "end_date": "2013-06-30", 
             "start_date": "2013-06-03"
         }
     }, 
@@ -395,9 +343,9 @@
         "pk": 25, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 6,
-            "name": "1.5M3", 
-            "end_date": "2013-08-16", 
+            "release": 6, 
+            "name": "M3", 
+            "end_date": "2013-07-28", 
             "start_date": "2013-07-01"
         }
     }, 
@@ -405,9 +353,9 @@
         "pk": 26, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 6,
-            "name": "1.5M4", 
-            "end_date": "2013-09-13", 
+            "release": 6, 
+            "name": "M4", 
+            "end_date": "2013-08-25", 
             "start_date": "2013-07-29"
         }
     }, 
@@ -415,182 +363,119 @@
         "pk": 27, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 6,
-            "name": "1.5M5", 
+            "release": 6, 
+            "name": "M5", 
             "end_date": "2013-10-18", 
             "start_date": "2013-08-26"
         }
     }, 
-
-
-    {
-        "pk": 7, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.6", 
-            "end_date": "2014-05-25", 
-            "start_date": "2013-11-11"
-        }
-    }, 
-    {
-        "pk": 47, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 7,
-            "name": "1.6All", 
-            "end_date": "2014-05-25", 
-            "start_date": "2013-11-11"
-        }
-    }, 
     {
         "pk": 28, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 7,
-            "name": "1.6M1", 
+            "release": 7, 
+            "name": "M1", 
             "end_date": "2013-12-20", 
-            "start_date": "2013-11-11"
+            "start_date": "2013-10-19"
         }
     }, 
     {
         "pk": 29, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 7,
-            "name": "1.6M2", 
+            "release": 7, 
+            "name": "M2", 
             "end_date": "2014-01-31", 
-            "start_date": "2013-12-09"
+            "start_date": "2013-12-21"
         }
     }, 
     {
         "pk": 30, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 7,
-            "name": "1.6M3", 
+            "release": 7, 
+            "name": "M3", 
             "end_date": "2014-02-28", 
-            "start_date": "2014-01-13"
+            "start_date": "2014-02-01"
         }
     }, 
     {
         "pk": 31, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 7,
-            "name": "1.6M4", 
+            "release": 7, 
+            "name": "M4", 
             "end_date": "2014-03-28", 
-            "start_date": "2014-02-10"
+            "start_date": "2014-03-01"
         }
     }, 
     {
         "pk": 32, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 7,
-            "name": "1.6M5", 
+            "release": 7, 
+            "name": "M5", 
             "end_date": "2014-05-25", 
-            "start_date": "2014-03-25"
-        }
-    }, 
-
-
-    {
-        "pk": 8, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.7", 
-            "end_date": "2014-10-31", 
-            "start_date": "2014-05-19"
-        }
-    }, 
-    {
-        "pk": 48, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 8,
-            "name": "1.7All", 
-            "end_date": "2014-10-31", 
-            "start_date": "2014-05-19"
+            "start_date": "2014-03-29"
         }
     }, 
     {
         "pk": 33, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 8,
-            "name": "1.7M1", 
-            "end_date": "2014-07-11", 
-            "start_date": "2014-05-19"
+            "release": 8, 
+            "name": "M1", 
+            "end_date": "2014-06-20", 
+            "start_date": "2014-05-26"
         }
     }, 
     {
         "pk": 34, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 8,
-            "name": "1.7M2", 
-            "end_date": "2014-08-15", 
-            "start_date": "2014-06-30"
+            "release": 8, 
+            "name": "M2", 
+            "end_date": "2014-07-25", 
+            "start_date": "2014-06-21"
         }
     }, 
     {
         "pk": 35, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 8,
-            "name": "1.7M3", 
-            "end_date": "2014-09-19", 
-            "start_date": "2014-08-04"
+            "release": 8, 
+            "name": "M3", 
+            "end_date": "2014-08-29", 
+            "start_date": "2014-07-25"
         }
     }, 
     {
         "pk": 36, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 8,
-            "name": "1.7M4", 
+            "release": 8, 
+            "name": "M4", 
             "end_date": "2014-10-31", 
-            "start_date": "2014-09-08"
-        }
-    }, 
-
-
-    {
-        "pk": 9, 
-        "model": "rrs.release", 
-        "fields": {
-            "name": "1.8", 
-            "end_date": "2015-04-24", 
-            "start_date": "2014-11-03"
-        }
-    }, 
-    {
-        "pk": 49, 
-        "model": "rrs.milestone", 
-        "fields": {
-	    "release" : 9,
-            "name": "1.8All", 
-            "end_date": "2015-04-24", 
-            "start_date": "2014-11-03"
+            "start_date": "2014-08-30"
         }
     }, 
     {
         "pk": 37, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 9,
-            "name": "1.8M1", 
-            "end_date": "2014-12-19", 
-            "start_date": "2014-11-03"
+            "release": 9, 
+            "name": "M1", 
+            "end_date": "2014-12-02", 
+            "start_date": "2014-11-01"
         }
     }, 
     {
         "pk": 38, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 9,
-            "name": "1.8M2", 
-            "end_date": "2015-01-30", 
+            "release": 9, 
+            "name": "M2", 
+            "end_date": "2015-01-13", 
             "start_date": "2014-12-03"
         }
     }, 
@@ -598,9 +483,9 @@
         "pk": 39, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 9,
-            "name": "1.8M3", 
-            "end_date": "2015-03-06", 
+            "release": 9, 
+            "name": "M3", 
+            "end_date": "2015-02-18", 
             "start_date": "2015-01-14"
         }
     }, 
@@ -608,10 +493,110 @@
         "pk": 40, 
         "model": "rrs.milestone", 
         "fields": {
-	    "release" : 9,
-            "name": "1.8M4", 
+            "release": 9, 
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 ]