Wins, losses, and realizing that I'm not doing server code right.
Added support for score history
Fixed sounds spamming on last frame.
Merge branch 'master' of https://github.com/codecombat/codecombat
Improvements to HUD actions.
Reworked ladder game victory modal main call to action to actually submit game for ranking.
Sped up my_sessions using projection, bypassing auth
Merge branch 'master' of https://github.com/codecombat/codecombat
Merge pull request #511 from codecombat/master

Merge master into production