added banner abbreviations for different cities. temporary hack solution
until we get the branding shortnames into the database.
removed some console debug statements.
Adding branding label to badge model
 - not technically a requirement, but in case for some reason the label changes after the badge has been created
Moving branding labels out of studio js
Updating README.
Merge branch 'master' into 407-la-dal-banners

Conflicts:
	app/models/badge.js
	app/templates/studio/index.html
Merge pull request #410 from mozilla/407-la-dal-banners

Adds shortnames to branding based on cities