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

7197662: (prefs) java/util/prefs/AddNodeChangeListener.java fails by timeout or by "couldn't get file lock"
Summary: Set -Djava.util.prefs.userRoot to current working directory of user in the prefs tests
Reviewed-by: alanb, chegar, weijun, dxu

6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun

6676423: (prefs) Opensource unit/regression tests for java.util.prefs
Summary: Moved the existing test cases for prefs to open area
Reviewed-by: martin, alanb