XD-1735 FileJdbc & JdbcHdfs test now use http source

When running tests in single & on EC2 these tests were successful.  However when running admin/container on the same machine these tests would fail because of the trigger.
With this update the tests work on all 3 types of deployments.
XD-1740 Add admin IP address at ZK node

Set AdminServer application context id to use admin server's `<ip-address>:<adminport>`

Modified RuntimeUtils.getIpAddress to return the first non loopback
address it can find. This was modified because
InetAddress.getLocalHost().getHostAddress() on Linux may return
127.0.0.1.