Add oauth2_server
i18n sync
Missing zh files
Add thumb-play class

Related to #378
Do not show destroy link for actor in timeline
Update zh.yml
Merge pull request #390 from gabrielhao/patch-1

Update zh.yml
adjust for timeline views
Merge branch 'master' of github.com:ging/social_stream
Privacy screen responsive. fixes #389
timeline and header corrections
Play-over composition. fixes #378
some corrections