Add python3-compat boilerplate to all .py files in lib/ansible

lib/ansible/utils/cmd_functions.py

@@ -14,7 +14,9 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
-from __future__ import absolute_import
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
 
 import os
 import sys

lib/ansible/utils/module_docs.py

@@ -17,6 +17,10 @@
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 #
 
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
 import os
 import sys
 import ast

lib/ansible/utils/shlex.py

@@ -15,7 +15,9 @@
 # You should have received a copy of the GNU General Public License
 # alongwith Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
-from __future__ import absolute_import
+# Make coding more python3-ish
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
 
 import shlex
 from ansible.compat.six import PY3