Description of problem:

When trying to upgrade the database from RHQ 1.3.1 to the current master, the
script fails when trying to apply the changes for schema version 2.83
complaining about a non-existent "rhq_subject_role_ldap_map" relation.

How reproducible:

always

Steps to Reproduce:
1. Update settings.xml to point to an rhq 1.3.1  database (or modify the below
mvn execution to define the overrides of the db connection properties)
2. run "mvn -Ddbsetup-upgrade" from modules/core/dbutils
3. Wait a bit for the error message

Actual results:

Upgrade fails

Expected results:

Upgrade shouldn't fail.