Changed goal in altitude_node to be current height when enabled.
Added PID subscribers to altitude_node
This should make testing at least a little easier, until we come up witha better way. Also, moved joystick_control.launch to where it could beseen globally by ROS.
Minor changes in preparation for test flight.
-Added parameter default_goal to altitude_node-Changed joystick button for toggling altitude control to button 11 instead of 1.
Moved mikrokopter to quad2
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