EUCA-9760 Widened columns physical_resource_id in stack_events and stack_resources (CF) to 'text'.  Also widened template_body and stack_policy in stacks to 'text'
EUCA-9760 changed Eucalyptus.class to CloudFormation.class in CF upgrade to widen fields to text (physical_resource_id in stack_events and stack_resources and template_body and stack_policy in stacks)
Merge branch 'dev/ethomas/EUCA-9760' into testing