Expand wildcard imports and add boilerplate

More amazon modules with no open PRs.

lib/ansible/modules/cloud/amazon/sns_topic.py

@@ -1,18 +1,10 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-#
-# This is a free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This Ansible library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+# Copyright: Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
 
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
@@ -129,9 +121,9 @@ sns_topic:
       attributes_set: []
 '''
 
-import time
 import json
 import re
+import time
 
 try:
     import boto.sns