Adding improvement for bug/1391962 and fix bug/1386843

Improvement bug/1391962: Will list out Hadoop nodes and Trafodion
nodes if an error is found.

Fix bug/1386843: Java version will found by looking for the HBase userid
and the java version.

Change-Id: I95bbd25c4d3f3b4b52b90d35fa9525cdb7e7ab51