Upgrade to release 3.1.1. Fix homepage, summary and license which
is Apache-2.0. It seems that previously there was a mismatch and
this information was referencing python six package, not twine.
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
Acked-by: Trevor Gamblin <trevor.gamblin@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
