Manageability: add flow name, job id and execution id to the java JVM argument list to easily map to Azkaban execution id #290
restored the log4j default layout back to original format
simplified the logic for jobJVMArgs and sneaking in a small enhancement to display the JMX attributes in alphabetical order
Use Map interface instead
localize the @SuppressWarnings
Merge pull request #291 from hluu/master

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