Prevent embedded bundles from starting simultaneously after reboot

Resolves issue 4425.
Update resume command handling to support more than 260 characters

Resolves issue #4427 to store the resume command line in the burn registration key since RunOnce registry values only support 260 characters.
Merge branch 'reboots' of git://github.com/heaths/wix3 into develop

Conflicts:
	History.md