Configure Paperclip to use S3 in production for Heroku
 Changes to be committed:
	modified:   Gemfile
	modified:   Gemfile.lock
	modified:   app/controllers/events_controller.rb
	modified:   app/helpers/events_helper.rb
	modified:   app/models/event.rb
	modified:   app/views/events/_form.html.erb
	modified:   config/environments/production.rb
	new file:   db/migrate/20141213044753_add_extra_image_fields_to_events.rb
	modified:   db/schema.rb
	new file:   public/system/events/images/000/000/001/original/bugsmash.png
	new file:   public/system/events/images/000/000/001/small/bugsmash.png
	new file:   public/system/events/images/000/000/001/thumb/bugsmash.png
	new file:   public/system/events/images/000/000/002/original/hackathon.png
	new file:   public/system/events/images/000/000/002/small/hackathon.png
	new file:   public/system/events/images/000/000/002/thumb/hackathon.png
	new file:   public/system/events/images/000/000/003/original/katacamp.png
	new file:   public/system/events/images/000/000/003/small/katacamp.png
	new file:   public/system/events/images/000/000/003/thumb/katacamp.png
	new file:   public/system/events/images/000/000/005/original/LightAtEndOfTunnel.jpg
	new file:   public/system/events/images/000/000/005/small/LightAtEndOfTunnel.jpg
	new file:   public/system/events/images/000/000/005/thumb/LightAtEndOfTunnel.jpg