tests: work around for catkin_make's failings
tests: work around for catkin_make's failings

Searches catkin/src/*/ for any cmake files, finds the tests added there
via add_rostest and catkin_add_test, and runs them manualy with rostest
and nosetests respectively. Part of #16

EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes,EndPointCorp/lg_ros_nodes