Resources doc fix
Resource doc fixes
Update resources.rst

Adds link to django filters for easy clicking. Fixes missing paren.
Removes duplicate if block
Adds my name to AUTHORS
Merge pull request #1063 from mlissner/patch-2

Update resources.rst
Merge pull request #1066 from damycra/doc-fixes

Resource doc fixes, tiny change to fields.py
Added exception checking for new versions of ``dateutil``.