8160974: [TESTBUG] Mark more headful tests with @key headful.
Reviewed-by: serb, simonis

8012466: [TEST_BUG] javax/swing/JInternalFrame/Test6505027.java doesn't release mouse button
Reviewed-by: serb, alexsch
Contributed-by: vera.akulova@oracle.com

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

6865565: Test failed: /test/closed/javax/swing/JInternalFrame/6325652/bug6325652.java
Reviewed-by: peterz

6505027: terminateEditOnFocusLost making problems for table in JDesktopPane
Reviewed-by: alexp