Add select2 3.5.2
Reference select2 styles in asset pipeline
select2 and bootstrap should play nicely together
BulkTagger prettifies tags

* Required now Select2 submits ugly compact tag lists (e.g. 'this,that,other').
Make mapping tag feature read consistently
Parse tags into Select2 multi-value
Eschew ids in favour of classes for the tag list hooks
Ensure "," breaks to create a new tag
Set up autocompleteWith for tags on client side
Add tagging details to style guide

* Describe and provide examples for Select2 usage
* Include non-js, pre-filled and empty examples with labels
Use smart quotes in tag_list_field
Autocomplete with most popular tags
Override select2 styles for in-input tags