emergency-force-kill operation takes the application ID "all" to list and terminate all Hoya instances of a user; saves having to use the YARN gui to work out the app Id. Again, still for testing or the bold
predefined -site.xml file is being pulled in
Provider service also implements a pre-launch check, here it can verify server-only facts such as the existence of keytabs
change security command to stop the running app, use the "all" appID
add option for the hoya client to pass in some late binding values. This is only an option