Create appeals table and model
appeals db structure and api start
Appeals Controller
Appeals tab
Merge branch 'master' into MPDX-169

Conflicts:
	db/schema.rb
Add helper text to opt-out checkbox
Edit/view appeal modal
add accepts_nested_attributes_for
appeal_contacts_attributes
Merge remote-tracking branch 'origin/MPDX-169' into MPDX-169

Conflicts:
	app/controllers/api/v1/appeals_controller.rb
	app/models/appeal.rb
Create new Appeal