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

This reverts commit 6feb9c9a96c83a9d60b2544fc7d41c1547f13b8b.
Rebase from 'upstream'
Trimmed the branch to only the jsk_ros_patch/laser_filters_jsk_patch sub directory