Implemented LanguageManger instead of hack
Merge pull request #14 from jlafitte/master

Update to latest version of csslint.
Just updated the readme/package version
Removed unused variable in isCSSDoc()
Merge branch 'master' into implement-language-manager
Merge pull request #15 from DaBungalow/implement-language-manager

Implement language manager
Update package.json and README with Dan's changes.