Add changelogs
1.11.4
Change maintainer from Hersh to Lu
Download test data from download.ros.org instead of willow
Merge pull request #134 from DLu/hydro

Checkins to reflect the end of Willow Garage
check for CATKIN_ENABLE_TESTING
Merge pull request #136 from bulwahn/hydro-devel

check for CATKIN_ENABLE_TESTING