Merge pull request #2 from mgriessler/master

Merge Trajectory and Odometry Position Topic Publisher
sub_launch: disabled actuator_driver and paulboard_driver, as they aren't installed on the sub
sub8_motor_driver: re-enabled package, got everything working
sub_scripting: tweaked _Sub.pose and get_dvl_range
sub_launch/sub_scripting: added buoy mission using object_finder
sub_scripting: fixed calling get_sub multiple times
MATT: added 2014 sub models folder and powerPeg model