Fixed db uri in chat.js
Cleaned app.js
Added app init to README
Changed window to \$window in app.js
Added configuration steps to README (atomicity)
Migrated OpenFB to localStorage
Merge pull request #27 from zzmp/initialization

Initialization
Merge pull request #36 from zzmp/persistentLogin

Migrated OpenFB to localStorage
Merge pull request #25 from zzmp/chatFix

Chat fix
Allow un/re-reg with GCM and browser mock polyfill