[Launch jog_arm] write simulation launch file

[jschleicher]

• jog_arm, currently in moveit_experimental used for jogging the manipulator
  best used together with
  tork-a/fake_joint if testing jogging in a simulation environment.

[r.feistenauer]

Info: von moveit_experimental muss man nur das jog_arm_packet bauen

[Hardthof]

see branch feature/launch_jog_arm