8150416: Miscellaneous changes imported from jsr166 CVS 2016-03 Reviewed-by: martin, psandoz

8150523: improve jtreg test timeout handling, especially -timeout: Reviewed-by: martin, psandoz, smarks

8150417: Make ThreadLocalRandom more robust against static initialization cycles Reviewed-by: martin, psandoz, dholmes, mhaupt

8150319: ScheduledExecutorTest:testFixedDelaySequence timeout with slow VMs Reviewed-by: martin, psandoz

6842353: Linux testcase failure java/util/WeakHashMap/GCDuringIteration.java Reviewed-by: martin, psandoz, darcy

8150521: SharedSecrets.getJavaNetInetAddressAccess should ensure that InetAddress is initialised Reviewed-by: alanb, chegar

8148609: socket impl supportedOptions() should return an immutable set Reviewed-by: alanb, chegar

8150957: j.l.i.MethodHandles.whileLoop(...) fails with IOOBE in the case init is null, step and pred have parameters Reviewed-by: psandoz

8151140: Replace use of lambda/method ref in jdk.Version constructor Reviewed-by: psandoz

8150162: Move sun.misc.Version to a truly internal package Reviewed-by: alanb, iris, mchung, rriggs

8147505: BaseStream.onClose() should not allow registering new handlers after stream is consumed Reviewed-by: psandoz

8072727: add variation of Stream.iterate() that's finite Reviewed-by: psandoz, briangoetz

8149596: Remove java.nio.Bits copy wrapper methods Reviewed-by: bpb, chegar, psandoz

8150832: split T8139885 into several tests by functionality Reviewed-by: redestad

8150635: j.l.i.MethodHandles.loop(...) throws IndexOutOfBoundsException Reviewed-by: psandoz

8150976: JarFile and MRJAR tests should use the JDK specific Version API Reviewed-by: alanb, mchung