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

8027696: Incorrect copyright header in the tests
Reviewed-by: alanb, malenkov, mullan

7188852: Move implementation of De/Inflater.getBytesRead/Writtten() to java from native
Summary: re-implemented getBytesRead/Writtten() at java level
Reviewed-by: andrew, alanb