Adding Google Maps Layer

It turns out that every individual instance of posit that is compiled requires its own API key.

1. Run the following command in a terminal:

        $ keytool -list -keystore ~/.android/debug.keystore

1. Sign up for the google maps service at this link with:

        http://code.google.com/android/maps-api-signup.html

1. Replace the following line in positx/res/layout/map_main.xml:

        android:apiKey="0bvEMJ9m96_er-z_dr1wcZjsucPYBoUZMjI-RQw" />

with:

        android:apiKey="YOUR-GENERATED-KEY" />

1. Build and Run