8171886: Miscellaneous changes imported from jsr166 CVS 2017-02
Reviewed-by: martin, psandoz

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

7034657: Update Creative Commons license URL in legal notices
Reviewed-by: chegar

6880112: Project Coin: Port JDK core library code to use diamond operator
Reviewed-by: darcy, lancea, alanb, briangoetz, mduigou, mchung

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

6937857: Concurrent calls to new Random() not random enough
Summary: seed uniquifier should use an independent PRNG
Reviewed-by: dl

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