Usergrid Android Client

Experimental Android client for Usergrid. Basically uses Spring Android and
Jackson to wrap calls to Usergrid REST API. Loosely based on the Usergrid
Javascript client.

Requires the following permissions:

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />