Opal

Adds an optional setting OPAL_DEFAULT_SEARCH_FIELDS that specifies the fields used to
search in when a criteria isn't specified.

Documentation fix, we're on python 3.4 now.

The search plugin was not excluding search strings from analytics.
This change makes it so that it does.

A User's UserProfile is now automatically created when you create a user in a post save signal.

RecordEditor.editItem, RecordEditor.editItem and RecordEditor.openEditItemModal to take a url argument.
This is the url of the template that should be opened with the edit item controller.

RecordEditor.editItem also will now take an item or an index rather than just an index.
Taking an index has been deprecated and will be removed in v0.15.0

The PatientListCtrl now does the logic of whether to create a new item or edit an item within the
controller before it calls the record editor.

Upgrades the setup.py Django version from 2.0.9 to 2.0.13. Removes the six library dependency from setup.py.