opal.application.OpalApplication
The base class for your main application entrypoints is opal.application.OpalApplication.
You must subclass this in order for OPAL to discover your application.
If you started your OPAL project via $ opal startproject yourproject
then this will have been
generated for you, and located in yourproject/yourproject/__init__.py
schema_module
flow_module
javascripts
actions
menuitems
A list of items to add to the top level menu
default_episode_category
The default category is either 'inpatient', but can be overridden in the OpalApplication subclass for your implementation.