Add flow name, job id and execution id to the java JVM argument list to easily map to Azkaban execution id #290

* Add exception to a few logging statement to make it easier to debug issues

* Add Azkaban flow, job, and execution id to java JVM argument list to make it easier to map a Java process to an Azkaban execution id.  This idea came from Reportal.

Fixes #290
Trailing whitespace.