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

Summary: Current EA code has several problems which have to be fixed.
Reviewed-by: jrose, sgoldman

Summary: During split unique types EA could exceed nodes limit and fail the method compilation.
Reviewed-by: rasbold

Summary: CmpP could be optimized out if it compares new allocated objects.
Reviewed-by: jrose, never, rasbold