[WFLY-1310] Allow repository URLs to be configured
Allow to add modcluster without specifying a advertise-socket.
It use the default 224.0.1.105:23364
WFLY-1317 test coverage of LDAP login modules extended
Use the EL3 RI. Jasper can now drop its EL impl (which will not be used).
Use the repackaged Jasper without EL.
Also use EL3 there.
More switching to the EL3 module.