Contract fix: description optional
Contract fix: description optional

Change-Id: I4f1a40960c819b5e81db68c478919fae599fe6be

openstack/keystone,blueboxgroup/keystone,cloudbau/keystone,rajalokan/keystone,promptworks/keystone,dstanek/keystone,cloudbau/keystone,rajalokan/keystone,rushiagr/keystone,derekchiang/keystone,rushiagr/keystone,cbrucks/keystone_ldap,MaheshIBM/keystone,roopali8/keystone,cbrucks/keystone_ldap,nuxeh/keystone,cbrucks/Federated_Keystone,takeshineshiro/keystone,cernops/keystone,jonnary/keystone,ajayaa/keystone,maestro-hybrid-cloud/keystone,rajalokan/keystone,dsiddharth/access-keys,himanshu-setia/keystone,blueboxgroup/keystone,dsiddharth/access-keys,derekchiang/keystone,idjaw/keystone,ajayaa/keystone,idjaw/keystone,roopali8/keystone,klmitch/keystone,jamielennox/keystone,JioCloud/keystone,admiyo/keystone,rushiagr/keystone,citrix-openstack-build/keystone,savi-dev/keystone,rickerc/keystone_audit,kwss/keystone,cbrucks/keystone_ldap,admiyo/keystone,takeshineshiro/keystone,nuxeh/keystone,vivekdhayaal/keystone,ilay09/keystone,UTSA-ICS/keystone-kerberos,sileht/deb-openstack-keystone,ilay09/keystone,klmitch/keystone,jonnary/keystone,himanshu-setia/keystone,nuxeh/keystone,ilay09/keystone,maestro-hybrid-cloud/keystone,savi-dev/keystone,reeshupatel/demo,ntt-sic/keystone,dims/keystone,mahak/keystone,cernops/keystone,savi-dev/keystone,rodrigods/keystone,dstanek/keystone,cbrucks/Federated_Keystone,promptworks/keystone,derekchiang/keystone,dims/keystone,ntt-sic/keystone,jumpstarter-io/keystone,mahak/keystone,townbull/keystone-dtrust,UTSA-ICS/keystone-kerberos,openstack/keystone,sileht/deb-openstack-keystone,townbull/keystone-dtrust,vivekdhayaal/keystone,kwss/keystone,dsiddharth/access-keys,kwss/keystone,cloudbau/keystone,cbrucks/Federated_Keystone,JioCloud/keystone,openstack/keystone,citrix-openstack-build/keystone,sileht/deb-openstack-keystone,vivekdhayaal/keystone,ntt-sic/keystone,admiyo/keystone,promptworks/keystone,jumpstarter-io/keystone,jamielennox/keystone,reeshupatel/demo,rickerc/keystone_audit,citrix-openstack-build/keystone,MaheshIBM/keystone,reeshupatel/demo,dstanek/keystone,rodrigods/keystone,ging/keystone,ging/keystone,jumpstarter-io/keystone,mahak/keystone,rickerc/keystone_audit,townbull/keystone-dtrust