VMware: New module: vmware_tag (#37261)

This module is based on vSphere REST API. This module allows
user to manage various tags and their association with
categories. This fix also adds vCenter REST client library which can
be re-used for other REST based modules.

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/module_utils/vmware.py

@@ -3,6 +3,9 @@
 # Copyright: (c) 2018, 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
+
 import atexit
 import os
 import ssl