1. Stake Freddy.

e.g. further improve subprocess interrupt, exceptions, and termination.
2. Remove the workarounds in PyShell.py and ScriptBinding.py involving
   interrupting the subprocess prior to killing it, not necessary anymore.
3. Fix a bug introduced at PyShell Rev 1.66: was getting extra shell menu
   every time the shell window was recreated.

M PyShell.py
M ScriptBinding.py
M rpc.py
M run.py

Lib/idlelib/ScriptBinding.py

@@ -125,17 +125,6 @@ class ScriptBinding:
         interp = shell.interp
         if PyShell.use_subprocess:
             shell.restart_shell()
-            if shell.executing:
-                delay = 2700
-            else:
-                delay = 500
-            # Wait for the interrupt and reset to finish
-            shell.text.after(delay, self.run_module_event2, interp,
-                             filename, code)
-        else:
-            self.run_module_event2(interp, filename, code)
-
-    def run_module_event2(self, interp, filename, code):
         # XXX Too often this discards arguments the user just set...
         interp.runcommand("""if 1:
             _filename = %s