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

Summary: Corrected the wrong memory access problem and made some minor clean ups
Reviewed-by: dholmes, jcoomes

Reviewed-by: apetrusenko

Summary: Remove -XX:+CacheTimeMillis option and associated functionality
Reviewed-by: acorn, never

Summary: os::attempt_reserve_memory_at() now passes an address hint to mmap
Reviewed-by: kamg, dice