Admin users should be bootstrapped from a configuration file instead of created automatically.
Enable admin user bootstrapping from the zanata.properties file. Users will be checked on server startup for the admin role, as well as when they are being created. see: https://github.com/zanata/zanata/commit/a6f2a646c94d8eb967dce7aa01bd2102f5c0339d
VERIFIED with Zanata version 1.8.0-SNAPSHOT (20120913-0936)
Fix released in Zanata 2.0.