Don't stop create immediately on error for stack resources
Don't stop create immediately on error for stack resources

Don't stop create immediately on error for stack resources,
such as autoscalingGroup.

Kicked from Gate, heat can't pass pep8.

Change-Id: I0a41954f89e2000785c2105b8366e9e49858b65f
Closes-bug: #1383645
pshchelo/heat,dims/heat,takeshineshiro/heat,miguelgrinberg/heat,noironetworks/heat,rdo-management/heat,rh-s/heat,cryptickp/heat,gonzolino/heat,dims/heat,maestro-hybrid-cloud/heat,openstack/heat,gonzolino/heat,dragorosson/heat,rdo-management/heat,takeshineshiro/heat,srznew/heat,openstack/heat,maestro-hybrid-cloud/heat,miguelgrinberg/heat,cwolferh/heat-scratch,cryptickp/heat,steveb/heat,steveb/heat,jasondunsmore/heat,rh-s/heat,pratikmallya/heat,cwolferh/heat-scratch,noironetworks/heat,pshchelo/heat,dragorosson/heat,jasondunsmore/heat,srznew/heat,pratikmallya/heat