remove deprecation warns and update doc

README.md

 
 ![Kubespray Logo](http://s9.postimg.org/md5dyjl67/kubespray_logoandkubespray_small.png)
 
-The documentation can be found [THERE](https://docs.kubespray.io)
+##Deploy a production ready kubernetes cluster
 
-[![Build Status](https://travis-ci.org/kubespray/kubespray.svg)](https://travis-ci.org/kubespray/kubespray)
+- Can be deployed on **AWS, GCE, OpenStack or Baremetal**
+- **High available** cluster
+- **Composable** (Choice of the network plugin for instance)
+- Support most popular **Linux distributions**
+- **Continuous integration tests**
+
+For an easy way to use it, check out [**kargo-cli**](https://github.com/kubespray/kargo-cli) </br>
+A complete **documentation** can be found [THERE](https://docs.kubespray.io)
+
+[![Build Status](https://travis-ci.org/kubespray/kargo.svg)](https://travis-ci.org/kubespray/kargo)

roles/kubernetes/secrets/tasks/gen_certs.yml

 ---
 - name: certs | write openssl config
-  sudo: False
+  become: False
   local_action: template src="openssl.conf.j2" dest="{{ role_path }}/files/openssl.conf"
   run_once: yes
 
 - name: certs | run cert generation script
-  sudo: False
+  become: False
   local_action: shell
     {{ role_path }}/scripts/make-ssl.sh
     -f {{ role_path }}/files/openssl.conf

roles/kubernetes/secrets/tasks/gen_tokens.yml

 ---
 - name: tokens | generate tokens for master components
-  sudo: False
+  become: False
   local_action: command "{{ role_path }}/scripts/kube-gen-token.sh" "{{ item[0] }}-{{ item[1] }}"
   environment:
     TOKEN_DIR: "{{ role_path }}/files/tokens"
@@ -12,7 +12,7 @@
   notify: set secret_changed
 
 - name: tokens | generate tokens for node components
-  sudo: False
+  become: False
   local_action: command "{{ role_path }}/scripts/kube-gen-token.sh" "{{ item[0] }}-{{ item[1] }}"
   environment:
     TOKEN_DIR: "{{ role_path }}/files/tokens"