Revert "Trimmed the branch to only the jsk_ros_patch/pr2_groovy_patches sub directory"

This reverts commit 102ee0f05f5f945b05d65c015f3686b327ded6a0.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_ros_patch/pr2_groovy_patches sub directory