Linux demo updates bblasco pt1 (#45)

* Improved description of Ansible group to address issue #29

* Ensured "at" package is present rather than latest for Issue #31

* Added timesync as a second example role to run (Issue #37)

Co-authored-by: Benjamin Blasco <bblasco@redhat.com>

linux/setup.yml

@@ -81,7 +81,7 @@ controller_templates:
             - QA
             - Prod
           required: true
-        - question_name: Ansible Group
+        - question_name: Ansible Inventory Group (and Insights tag) to be created
           type: text
           variable: ansible_group
           required: true