Role maybe unknown when assertion consumer url is looked up.
Apply upstream commit 5ba9bb72.
Fix the following warning that appears in the Apache log
lasso-CRITICAL **: lasso_provider_get_metadata_list_for_role: assertion '_lasso_provider_get_role_index(role)' failed
Includes ECP support, see NEWS for all changes.
Update mellon_create_metadata.sh to match internally generated metadata,
includes AssertionConsumerService for postResponse, artifactResponse &
paosResponse.