wip: New activity for custom commands.
wip: new command activity added.
add new command implemented, started ListView activity for sending
commands.
Implemented Dialog for command run output.
Closing DBHelper onDestroy.
Running commands works.
Autoscroll to bottom of command output.
Showing output is default for now.
Added edit/delete/run context menu to commands.
removed apache commons lang.
German translation for commands.
Merge pull request #48 from eidottermihi/custom-commands

Custom commands