Merge branch 'feature/swipe_payment_success' of github.com:loomio/loomio into feature/footer

* 'feature/swipe_payment_success' of github.com:loomio/loomio:
  change dollars to amount
  add disable_with to submit buttons
  coordinator cannot create subscriptions for subgroups
  Fix schema
  Fix schema
  Start building cukes for subscriptions
  create sign-up forms
  Fix failing spec
  Coordinator sees their billing details
  Fix fuzzy buttons
  Start implementing paypal
  add gradients to buttons
  build subscription plan page
  add features

Conflicts:
	app/models/ability.rb
	db/schema.rb
	spec/models/ability_spec.rb