Revert "Trimmed the branch to only the jsk_footstep_msgs sub directory"

This reverts commit 20096b898545cad8b08fa51217b9a1432543348b.
Rebase from 'upstream'
Trimmed the branch to only the jsk_footstep_msgs sub directory
Revert "Trimmed the branch to only the jsk_footstep_msgs sub directory"

This reverts commit 0a799f94efd8cc38f1b1146d5e341e3ec3762e73.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_footstep_msgs sub directory