Refactoring cards
- Moved all designer.js cards logic to cards.js
- Moved cards styles (tabs) into cards.css
Merge branch 'cards' of github.com:flukeout/appmaker into flukeout-cards
Renaming events.
enable cors for /public/{ceci,vendor} and remove /test_assets
addition to cards working
Merge pull request #610 from LennyLinux/develop

enable cors for /public/{ceci,vendor} and remove /test_assets
fixed button broadcast definition
Merge pull request #612 from secretrobotron/develop

Develop -- getting cards & components to work
Merge branch 'develop' of https://github.com/mozilla/appmaker into add_mongo
fixed some of the id-related problems