added movej

CMakeLists.txt

src/CMakeLists.txt

src/message_types.cpp

src/message_types.h

src/motion_command/CMakeLists.txt

src/motion_command/motion_command.h

src/motion_command/movec.cpp

src/motion_command/movec.h

src/motion_command/movej.cpp

src/motion_command/movej.h

src/motion_command/movel.cpp

src/motion_command/movel.h

src/motion_command/wait.cpp

src/motion_command/wait.h

src/motion_program.cpp

src/motion_program.h

src/waypoint.h

test/robot_control/CMakeLists.txt

test/robot_control/helper.h

test/robot_control/motion_program.cpp