Revert "Trimmed the branch to only the p2os_urdf sub directory"

This reverts commit 956f92eb24a09b441b7f77afe9e42dfef30e0a5f.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the p2os_urdf sub directory
Revert "Trimmed the branch to only the p2os_urdf sub directory"

This reverts commit 6d7aa64e872d8fd3f3513590990ddd333ab83596.
Rebase from 'upstream' (no changes)
Trimmed the branch to only the p2os_urdf sub directory
Revert "Trimmed the branch to only the p2os_urdf sub directory"

This reverts commit 4badbcbb714a6f284b0a5bd7814d086c9c3b3a2a.
Rebase from 'upstream'
Trimmed the branch to only the p2os_urdf sub directory