Only create project if it did not exist yet

Signed-off-by: Patrick Uiterwijk <puiterwijk@redhat.com>

roles/openshift/project/tasks/main.yml

@@ -1,5 +1,12 @@
 ---
+- name: Determine if project already exists
+  command: oc get project {{app}}
+  register: project_exists
+  failed_when: false
+  changed_when: "'not found' in project_exists.stderr"
+
 - name: project.yml
+  when: "'not found' in project_exists.stderr"
   include_role:
     name: openshift/object
   vars: