Update Syntaxes/Sass.tmLanguage

Removed some cruft from a previous merge. Closes #17
Nested Parens for `url()`

Adding nested parenthesis for `url()` that does not break syntax
higlighting.
Merge pull request #18 from joeyhoer/master

Nested Parenthesis Support for `url()`
Added basic syntax highlighting for Compass URL Helpers *

* see http://compass-style.org/reference/compass/helpers/urls/
Removing `.gitignore`

Using a global ignore for these types of files - so it dosen't clutter
the repo
Removing `.gitignore`

Using a global ignore for these types of files - so it dosen't clutter
the repo
Consolidating various `url()` syntaxes

Conolidating various `url()` syntaxes into one rule
Merge branch 'master' of https://github.com/joeyhoer/sass-textmate-bundle
Merge pull request #19 from joeyhoer/master

Consolidating `url()` syntaxes