Bugfix in Git class
Bugfix in Git class

Force the use of --no-color when retrieving branches informations
Incorrect return in Git._parse_branch_output
PEP8 fixes

Change-Id: I3d5e1750f2b54b6f161cfa5fe64a83ff28d0a1a2

openstack-packages/rdopkg,openstack-packages/rdopkg,redhat-openstack/rdopkg,redhat-openstack/rdopkg