Updates gettextutils module from oslo-incubator
Updates gettextutils module from oslo-incubator

Last oslo-incubator commit c8b3dc04de9e9946afab1a18617026e35cfa88fb

Change-Id: Ie87140a45d2eaffc66a5e6a5ad018da128854a6c
Related-Bug: #1290849

rdo-management/tuskar,rdo-management/tuskar,rdo-management/tuskar