Users can now be gotten by slug
Test coverage for GETting users by slug
Anonymous users can have the same name
Basic email structure plus distributed locking system
Corrected sending errors in auth
Noty errors don't show up on user save fails anymore
User name slugs can now be unset by emptying their name
Fixed some schema issues related to snippets and code languages.
Anonymous users are now silently renamed upon signup in case of conflict
Added a test case for unsetting slugs (and fixed related bug)
Make random games come from all levels
Name conflicts migration script.
Merge branch 'master' of https://github.com/codecombat/codecombat
Merge branch 'nameable_users' of https://github.com/rubenvereecken/codecombat into rubenvereecken-nameable_users
Merge branch 'rubenvereecken-nameable_users'
Adds shortcuts for undo/redo for thangs tab view
Adds initial modal and view for terrain generator
Adds randomise option to dropdown on editor page
Cleans up some css for terrain generator modal
Adds code for passing randomised thangs to thang view