Modifications for mongomallard
Field modifications for mongomallard
Merge branch 'master' into feature-mongomallard

Conflicts:
	tests/__init__.py
Adding secure encryption to EncryptedStringField
Unit test fix
Support for fetch_related with SafeReference(List)Field. Fix wrong use of id_set variable.
Including render_pdf_phantomjs + helper js file; splitting PDF stuff into own file
Merge branch 'master' into feature-mongomallard
Merge pull request #2 from elasticsales/feature-mongomallard

Feature mongomallard