Swapped Qwt plotting for matplotlib, rearranged quit handling.
Fixed order of stopping landshark_comm.
Force proper checking when called by method not a mouse click event.
Adjusted shutdown processes.
Removed extra blank lines.
Added back roslaunch lines for black_box.launch.
Added extra shell to send process kill commands.
Fixed cc method to start/stop remote Cruise Control.
Changed process kill commands to use 'exec_command'.
Testing with landshark_cruise.
Switching back to Nico's Controller.
Close shells when terminating.
Switched attack publisher to publish Int instead of Bool.
Removed unused main_shell and unused exec_command calls.

Added a 2 second sleep to give time to the black_box to launch.
Temporarily publish 0 or 1 for run_attack.
Switched RC publisher to Int32.
Switched desired_speed publisher to send Float32.
Removed CC publisher.
Added left encoder data capture.
Added support for all new data topics.