Fix for bug #1517996: Class and Path browsers show Tk menu
Fix for bug #1517996: Class and Path browsers show Tk menu

This patch replaces the menubar that is used by AquaTk for windows without a
menubar of their own by one that is more appropriate for IDLE.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator