Merge branch 'release/0.5.4' into develop
Support for TeamLab

TeamLab is an open source collaboration platform, which includes a task manager.
This change adds basic support for that service (no annotations currenty).
Support for RedMine
Merge pull request #34 from umonkey/develop

Support for TeamLab and RedMine
Death to pygithub3.
Protect against bitbucket repos that have no issues.  For #35
Bugzilla comments as annotations.  Fixes #27.
0.5.5
Merge branch 'release/0.5.5'