(CMakeLists.txt) add rostest
(.travis.yml) add rosbuild/deb test
add PKG_CONFIG_PATH for rosbuild environment
(Makefile.openhrp3) touch patched_no_makefile to avoid compile twice
Merge pull request #34 from k-okada/add_rosbuild_rostest

Add rostest for rosbuid, also improve .travis.yml to check rosbulid/deb environment