Update Dockerfile Airflow image and values.yaml to definitive

Change-Id: I2be745edd4dd292cbb29bde58655c47bb52d5a32
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/helm/values/airflow-values.yaml b/installers/helm/values/airflow-values.yaml
index 0a37097..fd7eb63 100644
--- a/installers/helm/values/airflow-values.yaml
+++ b/installers/helm/values/airflow-values.yaml
@@ -15,8 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 ---
-defaultAirflowRepository: gerardogarcia/airflow
-defaultAirflowTag: "0.3"
+defaultAirflowRepository: opensourcemano/airflow
+defaultAirflowTag: "13"
 webserverSecretKeySecretName: airflow-webserver-secret
 webserver:
   service:
@@ -28,4 +28,7 @@
 extraEnvFrom: |
   - secretRef:
       name: ngsa-secret
+config:
+  core:
+    dags_folder: "/usr/lib/python3/dist-packages/osm_ngsa"