DO image now with a cleaner setup
add: popup window method
fix: wrong calc for swipe component
fix: stop loading only if loading
cleanup
add: round method for values
add: UserLocation service (Backbone)
remove: single files under dist/relax
Merge branch 'v2' of https://github.com/flexmotion/relax.lib into v2

Conflicts:
	dist/relax-min/relax.lib.min.js
	dist/relax.lib.js
	dist/relax/layout.js
	src/StageModel.coffee