Actually validate properties of resources
Actually validate properties of resources

Properties.validate() returns an error on failure; it does not raise an
exception (and never has). So we should look at the return value when we
call it.

Change-Id: Iaa0deb9f54055b4b1f73c0b37d26f5ac2c00d683
Signed-off-by: Zane Bitter <1899fff8e7db19a598ee9d835aa1a232f82ea264@redhat.com>

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