Make cython.py executable and add Unix shebang

diff --git a/cython.py b/cython.py
old mode 100644 (file)
new mode 100755 (executable)
index cf07a8b..5dbd25c
--- a/cython.py
+++ b/cython.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python
+
 #
 #   Cython -- Main Program, generic
 #