SCSS diff test prototype
Scss spec updates
Extra files added for testing
Working solution, tests failing
Merge branch 'master' into scss-diff-test
Fixes
Test updates
Merge pull request #116 from zurb/scss-diff-test

SASS diff test, see reasoning for automatic test pass in pull #116
Convert slide, fade, zoom, and spin mixins to use new patterns and in/out states
Add documentation to helper mixins in motion UI
Organize and rename motion variables, add important to motion modifier classes
Add documentation to motion variables
Refactor slide and spin motion mixins to have more consistent structure
Convert hinge motion mixin to new format