Replaced build.xml with latest Android SDK version, added generated files.
Added .gitignore from http://stackoverflow.com/a/4130635/650203.
Increased build target version to make use of Holo UI, first main menu (actionbar) improvements.
Forcing the overflow button in the ActionBar even if the device has got a physical menu button.
Added a few icons from the Action Bar Icon Pack (http://developer.android.com/design/downloads/index.html).
Implemented simple bright Holo UI with icons.
Added some notes to README.