Summary: Moved pretouching to MutableSpace. Also MutableSpace now turns on page interleaving for the region it covers.
Reviewed-by: jmasa, jcoomes

Summary: Maintain a high water mark for the allocations in a space and mangle only up to that high water mark.
Reviewed-by: ysr, apetrusenko

Summary: Update copyright year for files that have been modified in 2008
Reviewed-by: ohair, tbell

Summary: The fix takes care of three issues that can create a hole less a minimal object in the lgrp chunk
Reviewed-by: ysr, apetrusenko