Intermediatory commit, grouping reg ids to a list.
Added support for multiple reg IDs on server side.
Added support to remove failed device Ids from user.params.
Push-notification calls gcm-notify with new params.
Identify device uniquely based on uuid and not registrationId.
Update plugin files.
Added the file plugin for cordova to repo.
mapUsersToIds now returns results via a callback.
Cover a corner case.
Call done() if getUsers returns no results.
Fixed a bug in push-notification.js.
Indentation fix.
Merge branch 'master' into push-unreg-err

Conflicts:
	lib/stringUtils.js
	public/cordova_plugins.js
Merge pull request #397 from scrollback/push-unreg-err

Unregister devices on server side error & update user object when the GCM assigned registration id changes.