Use /usr/bin/env python instead of /usr/bin/python

The usage of /usr/bin/env ensures that the first interpreter
found in the environment's $PATH variable is used. This should
be preferred.

Change-Id: I4011ec477534f920092cc323a26e75ff26a90051

consolidate_release_page.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Script to move bugs and blueprints to final release milestone page
 #

create_milestones.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Idenpotent script to bulk-create milestones on Launchpad
 #

ms2version.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Script to determine version number from milestone codename
 #

process_bugs.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Script to apply bulk changes to Launchpad bugs
 #

upload_release.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Script to upload an OpenStack release to Launchpad
 #

wait_for_tarball.py

@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 #
 # Script to wait for a tarball to be generated in Jenkins
 #