Refactored list mixin
Removed columns support due to difficult implementation on older browsers
Added align center support for floats using margins
Cleaned up and commented through
Fixed $flex-direction not being applied
Tweaked sink mixin
Min-width for items now works with flexbox
Added description for $wrap argument
Made sink mixin work in WebKit again
Added HTML tests for layout modules
Test grid, visibility, list, and sink
Visual HTML tests
Require Modernizr, jQuery