Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

Summary: Remove workaround compiler options for instanceKlass.cpp and objArrayKlass.cpp.
Reviewed-by: ysr, jcoomes

Summary: Initial checkin of JSDT code
Reviewed-by: acorn, sbohne

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

Summary: Moved makefiles out of build and build/closed into make/
Reviewed-by: kvn, ohair