8179889: Fix typographic errors in copyright headers
Reviewed-by: erikj, dholmes

8142534: [TEST_BUG] Test javax/swing/JMenu/8072900/WrongSelectionOnMouseOver.java fails for Ubuntu 15.10
Reviewed-by: yan, serb

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

8072900: Mouse events are captured by the wrong menu in OS X
Reviewed-by: serb, alexp