Add bower.json for bower publishing

This adds version and name info to the bower repo.

Caveats:
 - removes config.rb when installed with bower (this should be handled per
   project using it, not all build systems use config.rb [ie grunt])
 - we need to version this beast!
Merge pull request #7 from VinSpee/bower-support

Add bower.json for bower publishing
Move vars to !default

and reflect this in the readme
Merge pull request #13 from VinSpee/config

Move vars to !default
Change CSS comments to Sass comments

this allows them to be stripped from any output type.
Merge pull request #14 from VinSpee/comments

Change CSS comments to Sass comments
fixed comments and bugs realted to !default flags