6943190: TEST_BUG: some tests in java/lang/Runtime/exec have hard-coded path to shell commands
Reviewed-by: martin, rriggs, alanb

7197491: update copyright year to match last edit in jdk8 jdk repository
Reviewed-by: chegar, ksrini

6860309: TEST_BUG: Insufficient sleep time in java/lang/Runtime/exec/StreamsSurviveDestroy.java
Reviewed-by: alanb, dholmes, forax
Contributed-by: gary.adams@oracle.com

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

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