Extracted nickname registration into a private controller method
Added strings

Added some strings not yet existing in the "es" locale but already in use in the application.
Support for ***bold and italics***
FIX: Code blocks were trimming leading spaces sometimes when they should have only
trimmed trailing spaces.
Extract ListController#list_target_user
Remove enum setting spec since I don't think it's testing anything useful and it's causing random failures
FIX: Don't onebox @mentions
FIX: If a topic/post cannot be oneboxed, don't swallow the href.
improved specs for avatar
Show Private Messages pill as a topic list rather than individual messages.
add a warning whenever the uploaded image is not a square
Lower Complexity of UsersController
https://codeclimate.com/github/discourse/discourse/UsersController#method-complexity
Russian translation (actual version)
Merge pull request #1375 from versvs/master

Added strings
Merge pull request #1379 from abbat/master

Russian translation (actual version)
Merge pull request #1376 from gcapizzi/lists_controller_refactoring

ListController refactoring
Merge pull request #1371 from einarj/cleanup_user_registration

Extracted nickname registration into a private controller method
Merge pull request #1377 from ZogStriP/avatar-work

Improved specs for avatar + added a warning whenever the uploaded image is not a square
FIX: changing another user's avatar changes yours
Merge pull request #1380 from ZogStriP/fix-changing-another-user-avatar-changes-your-not-theirs

FIX: changing another user's avatar changes yours