Improved request animation frame function
Refactor of adding & running animations
Jquery-like syntax & fix jshint warnings
Accept functions for onComplete
Fix do method
Add ease method
Merge branch 'gh-pages' into easing

Conflicts:
	flo.js
Apply easing for in, out & both
Update demo - bouncing square
Round line caps
Check if position values match before transforming
More steps before invert