Gruntfile mimics previous Cakefile, also built using Coffee to match existing codebase.
Updated documentation.
Do not highlight or be able to select disabled options
Do not highlight disabled options when using arrow keys
Allow for optgroup to be disabled
Updated styles on disabled input
Merge branch 'feature/grunt' of git://github.com/BennyC/chosen into BennyC-feature/grunt

Conflicts:
	Cakefile
	README.md
	VERSION
	chosen/chosen.jquery.js
	chosen/chosen.jquery.min.js
	chosen/chosen.proto.js
	chosen/chosen.proto.min.js
	package.json
Rearranged public files
Merge branch 'master' into disabled-options-take-2

Conflicts:
	chosen/chosen.jquery.js
	chosen/chosen.jquery.min.js
	chosen/chosen.proto.js
	chosen/chosen.proto.min.js
Add contributing.md and rip it straight from:
https://github.com/necolas/issue-guidelines
Simple edits to contribution guidelines.
Update the feature request paragraph.
Credit, where due.
Readme changes
Remove the notable forks section. There are presently 2k+ forks and
this list hasn't changed in 2 years.
GitHub doesn't automagically link names with @'s. Boo.
Lots of changes to the contribution requirements.
Shorter Readme
License looks nasty in MD, let's fix it.
Make license look even less nasty