This allows for multiple notifications to be displayed on Android.  Simply add data with key "notId" and an integer value when sending via GCM.  Differentiate between different notifications by setting different notIds.  Defaults to 0 if not key supplied.

Update plugin.xml

adds android.permission.VIBRATE needed for android 2.3.x

#85 - new approach

We should always send a notification this is better than never sending one

We can rely on the the other activity functions setting foreground to be true

#85 No notifications in android when the app is closed

Allow the plugin to know when the app is no longer in foreground so that it may receive push notifications

Added clobbers for PushNotification

JSON fix

Callback now invoked

Android : getString should be extras.getString

added foreground boolean

Added getString method to setContentTitle and setTicker

Enable syntax highlighting for code examples in readme file

ContentTitle and Ticker can now be set from the GCM server via the
"title" field in the "data" parameter (appName is no longer hard coded).

Eliminate need for GET_TASKS permission

Fixes Cordova error when trying to open the app from the notification bar

Added a missing comma after errorHandler