Add browser prefix support.
Renamed browser-prefix to cross_browser_support.
Added failing test for prefix functions taking multiple properties.
Add necessary url around image path.
Expand prefix function to fix 'Cross Browser Functions should prefix a list of properties' case.
Remove spaces from expect for 'Cross Browser Functions should prefix a list of properties' so test passes, and to match expected output of other tests.
Added more complex prefix test.
Added support for multiple backgrounds.
Corrected conditional in transition mixin to use not() as function.
Improved prefixed() function.
Added -compass-space-list, first-value-of, color-stops. Added border-radius test.
Fixed some conditions when  errors as undefined.
Merge remote-tracking branch 'Igosuki/master'

Conflicts:
	lib/compass/_functions.scss
Merge remote-tracking branch 'upstream/master'
Adding test for default box shadow. Commas are currently being output instead of spaces.
Refactored -compass-space-list to accept a single array argument.
Merge pull request #18 from DealerDotCom/master

Cross-browser, background, lists.