fix document, based on snozawa's comment
support <controller>/command, see #537
add test for /command in test-pa10.py
support GUI argument
add mongodb hack
Merge branch 'add_mongodb_hack' into add_joint_trajectory_command
Merge pull request #512 from k-okada/fix_473

fix document, based on snozawa's comment, see #473
Merge pull request #538 from k-okada/add_joint_trajectory_command

Add joint trajectory command, fixed #537
Merge branch 'master' of http://github.com/start-jsk/rtmros_common into set_parallel_jobs