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

This reverts commit 4835ab3b6b6c52f5b27bbeaba6e6dae1bbf930c2.
Rebase from 'upstream'
Trimmed the branch to only the jsk_ros_patch/laser_filters_jsk_patch sub directory