Restructuring the output of the IPSWriter to be more rigid with it's
whitespace so that the CaebatLauncher can pick up the simulation root
directory and adjust it so that the correct data is passed back to ICE.
Also removing old XML case files.

Signed-off-by: arbennett <bennettar@ornl.gov>
Merge branch 'master' of https://github.com/eclipse/ice.git