Avoid overwriting gutter symbols of error, warning, info
paste coordiante if click + shift
Change cursor if moving on map with pressed 'shift'
try to achieve higher contrast between background and 'executing' line
fixed issue of multiple insertions due to multiple event handlers
Fixed initial wizard position.
Set up a build queue for async sprite sheet building, which lessens blocking the main thread.
Various changes to spectate view
Merge branch 'master' of github.com:codecombat/codecombat

Conflicts:
	app/views/play/spectate_view.coffee
Fixed several bugs with Thang selection and the SpellView and HUD.
Merge branch 'master' of https://github.com/codecombat/codecombat
Fixed the new build queue system for levels where there are multiple builders for a single thang type.
Merge branch 'master' of https://github.com/codecombat/codecombat
Merge branch 'master' of https://github.com/codecombat/codecombat
Changed cron handler IP check
highlight lines after insertion
added button to access new modal for editor config
added new editor config modal
Using isThang instead of instanceof Thang.
Merge branch 'master' of https://github.com/codecombat/codecombat