Enabled existing color tests.
Added a color test showing the conversion handling of colors and color variables.
Moved colors test back to todo, as it seems like it may fail at the parse stage.
Coerce color name string to a color in color-names test.
Update color_output test to include more variations, and match the formate preservation in sass 3.4.
Update color names to use 'gray' instead of 'grey'
Added more color output test cases to show libsass divergence.
Move more tests fixed by the libsass color changes
Add test for each loop with maps
Merge pull request #54 from ericam/master

Add test for each loop with maps
Re-add specs for list_separator
Add libsass spec for parsing css variables
Add spec for the deep combinator
Add test for parsing error in SassScript Maps implementation -- libsass PR 481
Add test for multiple key removal functionality in map-remove(), as per Sass 3.4.x
Add test for multi-assignment in `@each`
rename issue 481 dir to issue 509
enable basic test 51: trailing commas
Add test for @at-root feature, issue 353
test for css directive ordering