Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_common
Merge branch 'master' of https://github.com/jsk-ros-pkg/jsk_common
compile time_acucmulator.cpp on rosbuild environment
Merge pull request #488 from garaemon/add-time-accumulator-to-rosbuild

Add time accumulator to rosbuild