Merge pull request #1065 from rnestler/use_python2

workspace_tools: Use python2 in shebang

Author: 0xc0170

workspace_tools/build.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited

workspace_tools/build_travis.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 """
 Travis-CI build script

workspace_tools/make.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python2
 """
 mbed SDK
 Copyright (c) 2011-2013 ARM Limited

workspace_tools/singletest.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 """
 mbed SDK