lib/util/CMakeLists.txt : forget to install Hrpsys.h (24c6139826)
Merge pull request #230 from k-okada/add_hrpsys_h_to_install

lib/util/CMakeLists.txt : forget to install Hrpsys.h
bump version to 315.2.2
Merge pull request #231 from k-okada/315_2_2

bump version to 315.2.2
(hrpsys_config.py) Add comment upon setTargetPose IK failure
Merge pull request #233 from 130s/issue103_hironx

(hrpsys_config.py) Add comment upon setTargetPose IK failure