Merge branch 'develop'
get_CRA_key_and_secret in the events.py
Update template-tags
Add is_authorized_user user to BaseEventModel. Override in the demo_app
Add a dummy xmlrpc_get_key_secret in the gateway
Update template and template-tags to include the WAMP CRA key and secret
Update events.py tests
Update documentation
Merge branch 'develop' of github.com:machinalis/telegraphy into develop