Tests for api search and filter #58
Implemented querystring and license filtering
Documented filtering
Adhere to deprecation notice in AMS
Not embedding ids just makes it so much simpler... Forgive me.
Filtering by license done!
Implemented text search and fixed broken pagination
Spec for multiple tags
Created postgres array type for tags and dropped tag-table
Adding index to tags column
PostgreSQL array field for tags

Drastically simplified code by removing the Tag model entirely, and
adding an array field on the resource.
Updated seeds to the new tagging system
Removed the tag query from the docs
Covered tagging system in tests
Thanks to postgres, filtering on tags is now incredibly simple
Nicer filtering form
removed empty specs
Renamed the tagged query param to tags for more consistency
Documented not embedding id change in readme
Replaced animations with simple fading because it was much easier to implement