Many changes

-  Reorganized custom activity
-  Renamed custom activity
-  Listeners for every change in custom activity
-  ActionBar Item for re-set defaults in custom activity
-  Chance to set color(s) in custom activity
-  Add BackToTheTop button in custom activity
-  Added margins in custom activity
-  Switched to Holo Light Theme
-  Switched from buttons to ActionBar Items
-  Fixed style names