add check for config-dir parameter (bug1101129)
add check for config-dir parameter (bug1101129)

Change-Id: I5cd454cc3c5bf5da9656c05e9a22385ffcd01147

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