Make it possible to install a framework build of Python 3.x on OSX.

This the build machinery on OSX to re-enable building (and installing)
PythonLauncher.app and IDLE.app.

This needs ports of fixes to Lib/distutils/util.py and Include/pymacconfig.h
to be fully functiontional, to be fully functional.

I also have a patch for Makefile.pre.in that I'll post on bugs.python.org
for review.
diff --git a/Mac/Tools/fixapplepython23.py b/Mac/Tools/fixapplepython23.py
index a6db699..18b95b3 100644
--- a/Mac/Tools/fixapplepython23.py
+++ b/Mac/Tools/fixapplepython23.py
@@ -14,7 +14,7 @@
 """
 import sys
 import os
-import gestalt as _gestalt
+import platform
 
 MAKEFILE='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/Makefile'
 CHANGES=((
@@ -99,11 +99,12 @@
         print("fixapplypython23: no fix is needed on MacOSX on Intel")
         sys.exit(0)
 
-    if gestalt.gestalt('sysv') < 0x1030:
+    osver =  platform.mac_ver()
+    if osver != '10.3' and os.ver < '10.3.':
         print('fixapplepython23: no fix needed on MacOSX < 10.3')
         sys.exit(0)
 
-    if gestalt.gestalt('sysv') >= 0x1040:
+    if osver >= '10.4':
         print('fixapplepython23: no fix needed on MacOSX >= 10.4')
         sys.exit(0)