Do not propagate received messages back to the websocket
Fixed AttributeError when validation is not field-specific.
Merge pull request #40 from Precis/rmi_crud

More sensitive error handling in NgCRUDView
Merge branch 'rmi' of github.com:jrief/django-angular into rmi
Merge pull request #39 from Precis/rmi

Fixes for RMI and JSONBaseMixin
Cleaned code
Added extra text for external demo
Moved receiving into inner closure
added heartbeat and prefix for redis
using env to configure STATIC_ROOT
Merge branch 'rmi' of ssh://github.com/jrief/django-angular into rmi
Custom exception fixes, Python 3 compatibility for mixin and tests