ros/catkin — pull request #654 by rhaschke (2014-06-11 21:54:29+00:00)
Title: ignore cd path echo when using CDPATH, which breaks catkin usage

cd'ing echos the reached directory to the console when the CDPATH environment variable is used
This breaks the extraction of _CATKIN_SETUP_DIR, because now the directory is listed twice!
see http://superuser.com/questions/90535/how-do-i-turn-of-auto-echo-in-bash-when-i-cd