Add support for repository rpms in HE setup

Author: Seth Kress

roles/hosted_engine_setup/tasks/enable_repositories.yml

@@ -0,0 +1,6 @@
+---
+- name: Setup Repositories on Local VM
+  import_role:
+    name: ovirt.ovirt.repositories
+  delegate_to: "{{ groups.engine[0] }}"
+  when: ovirt_repositories_ovirt_release_rpm is defined

roles/hosted_engine_setup/tasks/full_execution.yml

@@ -1,6 +1,9 @@
 ---
 - name: Install packages and bootstrap local engine VM
   block:
+    - name: Enable Repositories for oVirt Hosted Engine deployment
+      import_tasks: enable_repositories.yml
+
     - name: Install required packages for oVirt Hosted Engine deployment
       import_tasks: install_packages.yml