Modify winpe runtime scripts for puppet bootstrap

RFC: Not required

Impact: Added host enforce sans event log

Before this commit: Switched custom form shell to posh

After this commit: Added runtime script to call h-e with winbuild tags

Signed-off-by: David D. Chin <dchin@ise.com>
change custom.cmd reference to point to custom.ps1
add patch tooling from gnuwin32

this is needed to patch destinations.rb to omit the event viewer
code