addition to cards working
fixed button broadcast definition
Merge pull request #612 from secretrobotron/develop

Develop -- getting cards & components to work
mostly working, some issues with ids still
Merge branch 'develop' of https://github.com/mozilla/appmaker into add_mongo
fixed some of the id-related problems
Merge branch 'add_mongo' of github.com:mozilla-appmaker/appmaker into flukeout-less