Added idea model.
Added controller and tests.
Implemented new and create.
Added list of events on the Idea show page.
Added stars for ideas and events.

These are placeholders and don't actually do anything yet.
AJAX calls to get and set idea/event reactions.
Don't pop a notice if the event reaction was updated.
Cleanup some logger messages.
Merge pull request #5 from matthew-parlette/add_events

Add events