Added add_rostest().  Don't know yet whether it works.
Added add_rostest().  Don't know yet whether it works.

jack-oquin/catkin,beni55/catkin,harmishhk/catkin,ros/catkin,meyerj/catkin,asmodehn/catkin,shyamalschandra/catkin,beni55/catkin,ros/catkin,ros/catkin,scpeters/catkin,asmodehn/catkin,shyamalschandra/catkin,jack-oquin/catkin,scpeters/catkin,wkentaro/catkin,wkentaro/catkin,harmishhk/catkin,shyamalschandra/catkin,beni55/catkin,thaddeustaylor/catkin,wkentaro/catkin,harmishhk/catkin,jack-oquin/catkin,scpeters/catkin,thaddeustaylor/catkin,asmodehn/catkin,thaddeustaylor/catkin,meyerj/catkin,meyerj/catkin