setUp -> setUpClass
disable doc
Merge pull request #14 from k-okada/add_jointangle_test

setUp -> setUpClass
check if share/doc exists
Merge pull request #17 from k-okada/disable_doc

disable doc
Merge pull request #16 from k-okada/master

use xargs to exit non-zero if test failed
use findComps that introduced in https://code.google.com/p/hrpsys-base/source/detail?r=1005, see https://github.com/start-jsk/rtmros_common/issues/340