Centering the toolbars on the editor
Changing the behavior of the draw tool.

Now when you are finished drawing a path it switches back to the marker tool.
Adding a new HorizontalListView widget
Adding icons for each mission waypoint
Renaming files
Renaming file
Adding action buttons of the editor to a SlidingDrawer
Fixing a bug in the listners.

When the activity is closed it's listener's must be removed from the listner's list
Adding a different overlay for the mission itens when pressed
Merge branch 'NewUI' of git://github.com/arthurbenemann/droidplanner into NewUI