adding environment description for virtualenv

General practice influenced by heroku.com is to create
a requirements.txt documenting the python library dependencies
for the project. This allows a user to easy setup a running
environment for the project using virtualenv and pip.

Extending .gitignore to ignore venv (reserved for virtualenv
use) and vim swap files.

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>

.gitignore

@@ -1,2 +1,4 @@
 *.pyc
 *.db3
+*.swp
+venv/

requirements.txt

@@ -0,0 +1,17 @@
+Django==1.4
+Jinja2==2.7.3
+MarkupSafe==0.23
+Pillow==2.4.0
+South==0.8.4
+Unidecode==0.04.16
+argparse==1.2.1
+awesome-slugify==1.5
+django-nvd3==0.7.4
+django-registration==0.8
+django-reversion==1.6.0
+django-reversion-compare==0.3.5
+django-simple-captcha==0.4.2
+python-nvd3==0.12.2
+regex==2014.06.28
+six==1.7.3
+wsgiref==0.1.2