Fix wildcard imports, remove get_exception, add boilerplate

Fixed for monitoring modules

lib/ansible/modules/monitoring/logstash_plugin.py

@@ -1,24 +1,11 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
+# (c) 2017, Loic Blot <loic.blot@unix-experience.fr>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
-"""
-Ansible module to manage elasticsearch plugins
-(c) 2017, Loic Blot <loic.blot@unix-experience.fr>
+from __future__ import absolute_import, division, print_function
+__metaclass__ = type
 
-This file is part of Ansible
-
-Ansible is 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.
-
-Ansible 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 Ansible.  If not, see <http://www.gnu.org/licenses/>.
-"""
 
 ANSIBLE_METADATA = {'metadata_version': '1.0',
                     'status': ['preview'],
@@ -85,12 +72,14 @@ EXAMPLES = '''
     name: logstash-filter-multiline
 '''
 
+from ansible.module_utils.basic import AnsibleModule
+
+
 PACKAGE_STATE_MAP = dict(
     present="install",
     absent="remove"
 )
 
-from ansible.module_utils.basic import AnsibleModule
 
 def is_plugin_present(module, plugin_bin, plugin_name):
     cmd_args = [plugin_bin, "list", plugin_name]
@@ -179,5 +168,6 @@ def main():
 
     module.exit_json(changed=changed, cmd=cmd, name=name, state=state, stdout=out, stderr=err)
 
+
 if __name__ == '__main__':
     main()