Drawer Updates

Removed the Options menu and placed all items within the Drawer pullout panel.

Updated the UI of the pullout panel and sectioned off items to increase usability.
Shell & AT Command Fragment Tweaks

Small tweaks to the shell system and AT Command fragment.
Device Class Updates

Small updates to methods providing data from the device class, flow on changes made
to the Service and Device Fragment.

Gradle updated with the release of Android Studio 0.8.1
NPE: Unbound Service Error

Missing check for bound service added to the MapViewer to address NPE.