minor word usage fixes

Change-Id: I492d4dc3f0ba01ec09bd1d3ab5f2ec62e747e8f4
Remove obsolete file openstack-compute-admin/moosefsbackend.xml

This file is not used, instead there's common/section_moosefs.xml

Change-Id: Ic318dcdb6c151ad1d2013142d5c1cd44e05a3a5b
Merge "Remove obsolete file openstack-compute-admin/moosefsbackend.xml"
Merge "minor word usage fixes"