Introduce NamedFragment, which sets it's name in ActionBar title on Fragment start.
Add titles for Fragments
Add new About and Book Fragments
Rename de.hsbremen.android.convolution.Fragment to de.hsbremen.android.convolution.ConvolutionFragment due to multiple Fragments in main namespace.
Rename layout main_activity to convolution_layout.
Add Stackoverflow logo
Add SlidingMenu logo for various displays.
Add camera_layout to be able to include view
Remove main_activity
Add menu buttons for various displays.
Make ProgressListener closeable, so we can ignore it faster (all callback calls are then no-ops)