Revert "Trimmed the branch to only the jsk_ros_patch/laser_filters_jsk_patch sub directory"

This reverts commit fdc0dbe8cb6eec902b1d3b28353325c3c7e32a9a.
Rebase from 'upstream'
Trimmed the branch to only the jsk_ros_patch/laser_filters_jsk_patch sub directory