Add scaffolding for the revamped Guide Application

The new Guide Application uses a simpler, Fragment-based Lesson
structure.
Simplify fullscreen theme config

Remove most of the styles generated by Eclipse and use
the default fullscreen theme provided by Android.

Add support for Android 2.3.3 (API 10).
Add loopback-android to libs.

(version 1.1.0-SNAPSHOT)
Add Lesson One

Also add GuideApplication that keeps a shared instance of RestAdapter.