Merge pull request #27 from die-antwort/add-css3-property-names

Add CSS3 property names.
Highlighting for 'function' and 'return' keywords

Since Sass version 3.1.0 (http://thesassway.com/advanced/pure-sass-functions) there has been 'function' and 'return' keywords that has not been highlighted in the editor.
Merge pull request #31 from ttamminen/master

Syntax highlighting for 'function' and 'return' keywords
Disable indent correction.