sys.path, prepend it.  This allows the module to import other modules
   in the same directory.  Do the same for a script run from the command
   line.
2. Tweak the IDLE usage message a bit more.

SF Bug 706860 (closed)
SF Patch 686254 (reject specific solution)
SF Patch 507327 (similar)

M PyShell.py
M ScriptBinding.py