avoid "warning: Ambiguous first argument; make sure." (JRuby 1.6.8)
remove connection.config= and make sure it does not change config
Java API: should call config when getting a value + review connection retry
refactor init_connection (to not use reconnect) - call adapter's init if any
mysql native database types reviewed (as returned from JDBC)
postgresql native type review (based on JDBC returned type info)
re-build adapter_java.jar