Change python to python2 for tools.

Fixes issues #4316

thirdparty/rumps/rumps.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 #
 # rumps: Ridiculously Uncomplicated Mac os x Python Statusbar apps.

unix2dos.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 import sys
 
 for fname in sys.argv[1:]: