First iteration
Serve fewer requests when requests are slow
Log cleanup of pages
Don't message fork complete until all pages are cleanedup.  never block for cleanup.
Run periodic items based on time, not num of iterations
first iteration
2nd iteration
bug fixes
Merge branch 'use_a_priv_CP' into Prod
Merge branch 'cleanuplog' into Prod
Merge branch 'NextFork' into Prod
Merge branch 'accurateperiod' into Prod
Merge branch 'delayeddelete' into Prod

Conflicts:
	src/ae.h