Added i18n coverage logic to the CocoModel.
Merge branch 'master' of https://github.com/codecombat/codecombat
Added i18nCoverage backend support.
Update zh-HANS.coffee

添加一些零散翻译
Merge pull request #1695 from yjw9012/master

Fixed #1567
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed point and region choosers in the level editor.
Fixed debug, and some other mark issues when sprite sheets update, most likely.
Fixed a couple errors in the tests.
Adding some logging for crazy save validation bugs. Swapping in flag item slot.
Fixed issue with progress scrubber hover not showing the right time when hovering over handle.
Adding more analytics even tracking

Actions on homepage
Path from homepage to first level
Logging some stuff to get to the bottom of things.
More logging for the merged models problem.
Sure wish I could test this bug without a full production deploy.
Removed super-aggressive log which has now served its purpose.
Fixes 1647. Somehow had been under the impression the segmented sprite containers weren't handling clicks correctly and that segments needed to handle them.
Added rotation buttons in the context menu and shortcuts to the level editor.
Fixed a little bit of spritesheet rebuilding cleanup.
Fixed an issue with thang type marks not handling sprite sheet build completion correctly.