jsk_topic_tools fails if we install diagnostic_udpate only within workspace
In file included from /home/pi/jsk_catkin_ws/src/jsk_topic_tools-release/include/jsk_topic_tools/relay_nodelet.h:45,
from /home/pi/jsk_catkin_ws/src/jsk_topic_tools-release/src/relay_nodelet.cpp:35:
/home/pi/jsk_catkin_ws/src/jsk_topic_tools-release/include/jsk_topic_tools/timered_diagnostic_updater.h:41:10: fatal error: diagnostic_updater/diagnostic_updater.h: No such file or directory
#include <diagnostic_updater/diagnostic_updater.h>
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
jsk_topic_tools fails if we install diagnostic_udpate only within workspace