fixed System.load bug
changed semicolon to colon
updated readme
fixed Issue #17
Merge branch 'master' of https://github.com/DeNADev/Arctic.js

Conflicts:
	arctic.min.js
merged
updated minified file
add stopPropagation
add arc.display.Stage
add getStage method to DisplayObject
update documentation
Merge pull request
Build basics of testing