add collaboration page ui
fix #91
Fix #149
Fix #149
Fix #148
Merge branch 'dev' of https://github.com/gogits/gogs into dev
Fix #150
Fix #150
fix profile ui
Merge remote-tracking branch 'origin/dev' into dev
fix collaboration js bug
Collaborator
Merge branch 'dev' of github.com:gogits/gogs into dev
Fix panic when no master branch
Merge branch 'master' of github.com:gogits/gogs into dev