Merge pull request #339 from k-okada/master

add CMAKE_PREFIX_PATH so that rosrun hrpsys ProjectGenerator works
change destination of stdout of rtmlaunch.py by OUTPUT arg
Merge pull request #342 from k-okada/master

update readme documet
Merge pull request #341 from tnaka/fix-rtmlaunch-output

change destination of stdout of rtmlaunch.py by OUTPUT arg
rm build before test, display results and test when fails