Catalogue list doc page

Adds input box to entities, policies and enrichers tabs on catalogue list documentation page that listens to input events and filters the blueprints to only those whose type matches the input.
![screen shot 2014-09-16 at 10 49 11](https://cloud.githubusercontent.com/assets/837527/4285454/e8dce848-3d86-11e4-8141-ec808c7fd556.png)

should this be `typeahead` or `bloodhound` ?