8029235: Update copyright year to match last edit in jdk8 jdk repository for 2013
Summary: updated files with 2011, 2012 and 2013 years according to the file's last updated date
Reviewed-by: tbell, lancea, chegar
plevart [Mon, 24 Feb 2014 15:34:33 +0100] rev 23009
6857566: (bf) DirectByteBuffer garbage creation can outpace reclamation
Summary: Help ReferenceHandler thread process References while attempting to allocate direct memory
Reviewed-by: alanb