Reviewed-by: psandoz, martin, alanb, robm

Reviewed-by: alanb, ahgross

Reviewed-by: alanb

Reviewed-by: dholmes, alanb

Reviewed-by: lancea
Contributed-by: NJim Gish <jim.gish@oracle.com>

Summary: Remove file-deletion code at cleanup which conflicts with jtreg cleanup
Reviewed-by: chegar

Reviewed-by: chegar, alanb
Contributed-by: NMark Sheppard <mark.sheppard@oracle.com>

Reviewed-by: chegar, ksrini

Reviewed-by: alanb, dholmes, forax
Contributed-by: gary.adams@oracle.com

Reviewed-by: dholmes

Reviewed-by: alanb, darcy, naoto

Reviewed-by: alanb

Reviewed-by: xdono

Reviewed-by: jjg, darcy, weijun

Reviewed-by: darcy, weijun

Summary: And adjustments to test problem list.
Reviewed-by: jjg

Reviewed-by: ohair

Summary: allow shutdown hook to be added during shutdown and handle properly if it fails to add
Reviewed-by: alanb, dholmes, martin