Add Payment Method model and FixtureAdapter
Fix formatting
Bind payment methods to select in index template
Merge remote-tracking branch 'refs/remotes/origin/front-end'

Conflicts:
	app/templates/application.hbs
	app/templates/index.hbs
Add label for payment method

- Minor html fix
change indents
Merge commit '93f3f5ee34ae73704d8ef42defcb527055273445' into front-end

Conflicts:
	app/templates/application.hbs
	app/templates/index.hbs