Translate client into Chinese.
Merge branch 'fix_commit'
Merge pull request #2001 from voisintotoro/trad20140215

Updated French translations
Merge pull request #1997 from dmitry/locale_ru

Adding additional RU translations
Fix: apply excludes for user aliases in user selection view

 - fixes a missing reassignment to the new named variable causing the selection of group aliases to fail in the user selector view of private messages
 - apply the list of excludes when a user selects a group alias to prevent double selection of users already in the list and selection of oneself
Merge pull request #1988 from ligthyear/fix-system-group-aliases

Fix group aliases causing private messages to not be created
Update onebox gem to for recent goodness
Removes unnecessary instance vars.
PostsController tests clean up.
Merge pull request #2003 from velesin/posts_controller_instance_vars_fix

Removes unnecessary instance vars.
Merge pull request #2004 from velesin/posts_controller_tests_refactoring

PostsController tests clean up.
REFACTOR: We don't cache the json for the Site model anymore, so let's
rename and remove the methods leftover from that.
FIX: welcome topic should be uncategorized
BUGFIX: Don't return child categories if you can't see the parent
category.
FIX: n+1 queries in CategoryList
clean up plugin store when removing data instead of setting the value to nil.
FEATURE: single sign on support

Added support for outsourcing auth to a different website, documentation on meta
adding word-wrap: break-word back to usernames, fixing onebog bg in quotes
Merge pull request #2006 from awesomerobot/master

adding word-wrap: break-word back to usernames, fixing onebox bg in quotes
shorten to "Invite Friends"