Fixes for integration tests

* Incorrect setting of credentials causes a connection exception:
 * Failed to determine teiid version of this host localhost
 * JBAS012174: Could not connect to remote://localhost:31000.
   The connection failed
 * JBREM000201: Received invalid message on Remoting connection 3f73eb90
   to localhost/127.0.0.1:31000
Adds remaining modules in maven build system