Add babel.cfg to MANIFEST.in
Add babel.cfg to MANIFEST.in

Change-Id: I05ada279f911811e15c2540e5c8a4698a7ac6377
(cherry picked from commit 749ab631d5f81c99ea79a28d2f6e968b4c41cc82)

rdo-management/ironic-discoverd,rdo-management/ironic-discoverd