Adding chaining to CommandRunner
Adding chaining to CommandRunner

NeCTAR-RC/heat,ntt-sic/heat,pshchelo/heat,bbandaru/heat-cfntools,srznew/heat,steveb/heat-cfntools,cwolferh/heat-scratch,varunarya10/heat,dims/heat,steveb/heat,varunarya10/heat,citrix-openstack-build/heat,redhat-openstack/heat,rh-s/heat,openstack/heat-cfntools,cwolferh/heat-scratch,Triv90/Heat,pshchelo/heat,jasondunsmore/heat,Triv90/Heat,cryptickp/heat,dims/heat,JioCloud/heat,rickerc/heat_audit,rh-s/heat,miguelgrinberg/heat,openstack/heat,pratikmallya/heat,rdo-management/heat,NeCTAR-RC/heat,openstack/heat,miguelgrinberg/heat,maestro-hybrid-cloud/heat,ntt-sic/heat,gonzolino/heat,Triv90/Heat,cryptickp/heat,redhat-openstack/heat,dragorosson/heat,gonzolino/heat,noironetworks/heat,citrix-openstack-build/heat,takeshineshiro/heat,noironetworks/heat,JioCloud/heat,takeshineshiro/heat,steveb/heat,sdake/heat-jeos,dragorosson/heat,steveb/heat-cfntools,rdo-management/heat,rickerc/heat_audit,srznew/heat,jasondunsmore/heat,pratikmallya/heat,maestro-hybrid-cloud/heat