created new branch for the version of perception_pcl in electric
Fixed missing rosdep; updating source download to PCL version 1.1.2; updating perception_pcl version number to 1.0.2
removing boost rosdep; it wasn't recognized
removing ROS_PARALLEL_JOBS definitions from Makefiles (see https://code.ros.org/trac/ros-pkg/ticket/5345)
fixing Makefile (see https://code.ros.org/trac/ros-pkg/ticket/5409)