Bump Winrm and Shutdown timeouts.  12hrs not enough with 220 win updates.
Bump Winrm and Shutdown timeouts.  12hrs not enough with 220 win updates.

WinRM timed out on packer, win updates were still running.  changed to
36 hours, hopefully that should be enough :).  Also upped shutdown
timeout just in case sysprep takes longer

robbiepc30/PackerTemplates