No need to index twice.
Add custom model and template for inline content.
Merge branch 'master' into admin

Conflicts:
	backend/models.py
Handle committee meeting reports in a separate model from the rest of the content.
Update frontend's committee meeting view after changes to model.
Use SQLAlchemy's join table inheritance to relate Committee Meetings to Events.
Remove redundant fields from content model, and improve display on inline content form.
Remove redundant 'Meeting Report' view, which is now managed inline in the 'Committee Meeting' view.
Re-organise admin menu.
Sensible sorting defaults.
Merge branch 'master' into admin
Merge branch 'admin'