Keep original button-variant syntax
Transitions benefit from variable argument count
Use image-url for retina mixin
Only extract the minimum rules needed
Whitespace
Quote table row classes
Cleanup the theme partial
Bump version to 3.0.0.2
Merge branch 'release/3.0.0.2'

* release/3.0.0.2:
  Bump version to 3.0.0.2
  Cleanup the theme partial
  Quote table row classes
  Whitespace
  Only extract the minimum rules needed
  Use image-url for retina mixin
  Transitions benefit from variable argument count
  Keep original button-variant syntax