Fixing grenade job
Fixing grenade job

api-paste.ini should be copied to config directory

Change-Id: Ie9da737870168516027f27f6513c9220ab521781
Closes-bug: #1507646

egafford/sahara,openstack/sahara,tellesnobrega/sahara,tellesnobrega/sahara,openstack/sahara,egafford/sahara