8078334: Mark regression tests using randomness
Reviewed-by: xuelei, alanb

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

8028321: Fix for String.split() empty input sequence/JDK-6559590 triggers regression
Summary: to undo the change for 6559590
Reviewed-by: darcy

8027645: Pattern.split() with positive lookahead
6559590: Pattern.compile(".*").split("") returns incorrect result
Summary: updated spec/impl for these two corner cases
Reviewed-by: alanb, psandoz

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

6840246: Lightweight implementation of String.split for simple use case
Summary: Added a fastpath for simple use case
Reviewed-by: alanb, martin

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