Creating a branch of perception_pcl so that its Makefile can be modified to be compatible with Diamondback
Updated the Makefile to be compatible with Diamondback, and switched it to download the source from the latest in the 1.x branch
1.1->1.2
removing ROS_PARALLEL_JOBS definitions from Makefiles (see https://code.ros.org/trac/ros-pkg/ticket/5345)