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

This reverts commit 3e060bee2c6eff31bb3bcd1f558638c126ed667b.
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 a95c46c95d47f3ab7b1afbc3b3a45f58c167aa2d.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the jsk_footstep_msgs sub directory