Summary: Adding probes related to thread scheduling and class initialization
Reviewed-by: kamg, never

Summary: Source changes for older compilers plus makefile changes.
Reviewed-by: xlu

Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair

Summary: Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.
Reviewed-by: never, twisti, jcoomes, coleenp

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

Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv
Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold