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

8134984: Text files should end in exactly one newline
Summary: automated fixup of newlines at end-of-file via the usual perl one-liner
Reviewed-by: chegar, sherman

8063106: Change open swing regression tests to avoid sun.awt.SunToolkit.realSync, part 1
Reviewed-by: pchelko, serb

8058120: Rendering / caret errors with HTMLDocument
Reviewed-by: alexp, alexsch