Fixing residual ON.Lab references.

Change-Id: Ic54a281ce67e49236c7aeb536729d3900dd9433d
diff --git a/apps/simplefabric/app.xml b/apps/simplefabric/app.xml
index 1984e56..3898661 100644
--- a/apps/simplefabric/app.xml
+++ b/apps/simplefabric/app.xml
@@ -14,7 +14,7 @@
   ~ See the License for the specific language governing permissions and
   ~ limitations under the License.
   -->
-<app name="org.onosproject.simplefabric" origin="ON.Lab" version="${project.version}"
+<app name="org.onosproject.simplefabric" origin="Open Networking Foundation" version="${project.version}"
      category="Traffic Steering" url="http://onosproject.org" title="Simple Leaf-Spine Network App"
      featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
      features="${project.artifactId}" apps="org.onosproject.openflow-base,org.onosproject.lldpprovider,org.onosproject.hostprovider">