Merged in yarikoptic/setuptools (pull request #29)

ENH: use #!/usr/bin/env python for the shebang instead of non-working on POSIX systems plain #!python

ez_setup.py

-#!python
+#!/usr/bin/env python
 """Bootstrap setuptools installation
 
 To use setuptools in your package's setup.py, include this

setuptools/command/easy_install.py

-#!python
+#!/usr/bin/env python
 
 """
 Easy Install