Add ESQuerySet that is tastypie-friendly; use it in form/ API
Support ?_search=<json>, ?q=<lucene> and ?<field>=<value> access to ES resources
Add missing import (missed because not used)
Merge pull request #606 from kennknowles/case-52776-es-form-api

Use ElasticSearch to back the 0.4 /form/ API list endpoint