Support node startup with the JNLP Launcher
Support node startup with the JNLP Launcher

Original author is James E. Blair in the devstack-gate project.

Change-Id: I92d363e5916adfd07744b959080f8b6c3b660ceb

klmitch/python-jenkins,stackforge/python-jenkins,yershalom/python-jenkins,Puneeth-n/python-jenkins