Adding topology overlay support for the server-side topo layout app.

Also:
- parametrized access network layout in preparation for multiple variants
- removed WS authentication code temporarily until proper forced-logout is implemented
- updated STC warden environment (test only)

Change-Id: I0adbe60737828db79350e7eb2fc72cf313b78a28
diff --git a/apps/layout/src/main/resources/app/view/tlTopov/tlTopov.html b/apps/layout/src/main/resources/app/view/tlTopov/tlTopov.html
new file mode 100644
index 0000000..1f76225
--- /dev/null
+++ b/apps/layout/src/main/resources/app/view/tlTopov/tlTopov.html
@@ -0,0 +1,4 @@
+<!-- partial HTML -->
+<div id="ov-tl-topov">
+    <p>This is a hidden view .. just a placeholder to house the javascript</p>
+</div>