Changelog:

- Removed python-oauthlib: Now in the community repo
- Removed unity-scope-video-remote: Now part of unity-lens-video
- Added hud
- Added TESTPKG-gtest-ubuntu
- Added TESTPKG-xorg-gtest
- Added TESTPKG-gmock-ubuntu
- Added TESTPKG-dbus-test-runner
- Add TESTPKG-xorg-gtest to grail's blocking jobs
- Add unity-lens-music to unity-lens-video's blocking jobs (for new
  Vala rewrite)
- Remove python-oauthlib from blocking jobs for unity-lens-photos