Merge pull request #183 from codecombat/master

Merging a few days of progress into the production branch
Merge branch 'master' into production
Merge branch 'master' into production
Merge branch 'master' into production
Merge branch 'master' into production
Merge pull request #244 from codecombat/master

Merge production into master for deploy
Starting work on time-travel debugging interface.
More progress on debugger.
Disable body scrolling in Thang List

This overwrites the native scrolling behavior for the
thangs-list div by manually setting the value of
@scrollTop
Update it.coffee
Fixed errors in locale file

Please compile before you commit.
Fixed getDocumentForIdOrSlug to be better at recognizing slugs.
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed a small bug with building sprite sheets.
Improved the refresh rate for the color tab, and made it work with containers.
Added a system for viewing pathfinding.
Merge https://github.com/codecombat/codecombat
Fixed some alignment issues caused by the update on the it.coffee file.
Merge branch 'FixThangScroll' of https://github.com/phansch/codecombat
Fixed distanceSquaredToPoint