Enable unit testing during build.
Introduce gbp.conf for building with git-buildpackage
Add python-twisted-core and python-mock to build-depends to run unit tests
fix patch to make unreleased branch bild again
Imported Upstream version 0.8.7p1
Merge tag 'upstream/0.8.7p1'

Upstream version 0.8.7p1
Merge branch 'unreleased'
Refresh patches
debian/gbp.conf: use master branch as primary debian branch
New release: 0.8.7p1-1