6864003: Modify JVM_FindClassFromBootLoader to return null if class not found
Summary: JVM_FindClassFromBootLoader returns null if class not found
Reviewed-by: acorn, alanb, dholmes
6840305: Discrepancy in system memory details (when 4G or greater) reported by JVM and Windows OS
Summary: GlobalMemoryStatus() does not report correct memory usage when the system has more than 4gb of RAM. GlobalMemoryStatusEx() should be used in place of GlobalMemoryStatus().
Reviewed-by: kamg, coleenp