(catkin.cmake, CMakeLists, samples/samplerobot*) : Move samplerobot examples to hrpsys-base https://github.com/fkanehiro/hrpsys-base/pull/252
(samplerobot-impedance-controller.py) : Add impedancecontroller example
Merge pull request #97 from snozawa/move_samplerobot_examples_to_hrpsysbase

Travis passed thanks for the PR to update hrpsys-base revision: 
https://github.com/start-jsk/hrpsys/pull/102
Merged.