Merge pull request #19 from davidrojas25/master

AWS Provision VM done with new public_cloud method

roles/install_demo/tasks/aws.yml

@@ -0,0 +1,14 @@
+---
+- name: add aws credential
+  tower_credential:
+    name: aws_credential
+    description: AWS Credential
+    organization: "{{ vars[demo].project.organization }}"
+    state: present
+    kind: aws
+    username: "{{ my_access_key }}"
+    password: "{{ my_secret_key }}"
+    tower_username: "{{ my_tower_username }}"
+    tower_password: "{{ my_tower_password }}"
+    tower_host: "{{ my_tower_host }}"
+    validate_certs: false