do not run xacro when catkin_make.
Merge branch 'master' of https://github.com/start-jsk/rtmros_tutorials into do-not-run-xacro-in-catkin
Merge branch 'master' of https://github.com/start-jsk/rtmros_tutorials into do-not-run-xacro-in-catkin
Merge pull request #96 from mmurooka/do-not-run-xacro-in-catkin

Do not run xacro when catkin_make