Reviewed-by: sla, mgronlun

Summary: updated files with 2011, 2012 and 2013 years according to the file's last updated date
Reviewed-by: tbell, lancea, chegar

Reviewed-by: alanb, erikj, ihse, jbachorik

Summary: Add getProcessCpuLoad() and getSystemCpuLoad() to the OperatingSystemMXBean
Reviewed-by: acorn, dholmes, mchung