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

This reverts commit 1e7a6d1769b80ca0394d5d8554b08ee4ade3db09.
Rebase from 'upstream'
Trimmed the branch to only the jsk_ros_patch/laser_filters_jsk_patch sub directory