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

7129185: Add Collections.{checked|empty|unmodifiable}Navigable{Map|Set}
Reviewed-by: dmocek, martin, smarks

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

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