Updated ping command to work with MCC/MOS

  - updated Pinger class with inherited structure for Salt and Kube
  - implemented DeamonSet handling in KubeApi interface
  - implemented put-textfile and series of ConfigMap methods in KubeApi
  - updated Pinger to use multiple --cidr commands at once
  - update Summary section to be more informative and human readable

Change-Id: Iac18a619d0bb9a36a286a07f38aeba8f99a454ca
Related-PROD: PROD-36603
diff --git a/setup.py b/setup.py
index 9c9fbf1..c22fc61 100644
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@
     author_email="osavatieiev@mirantis.com",
     classifiers=[
         "Programming Language :: Python",
-        "Programming Language :: Python :: 2.7"
+        "Programming Language :: Python :: 3.6"
     ],
     keywords="QA, openstack, salt, config, reclass",
     entry_points=entry_points,