GUI -- Beginnings of new file structure / Angular implementation. WIP.

Change-Id: Ic79347b41292432605cd30bf1d4920063f6602e8
diff --git a/web/gui/src/main/webapp/mock/topo/README.txt b/web/gui/src/main/webapp/mock/topo/README.txt
new file mode 100644
index 0000000..c4bb508
--- /dev/null
+++ b/web/gui/src/main/webapp/mock/topo/README.txt
@@ -0,0 +1,5 @@
+# Placeholder for a mock topology view servlet (using node.js),
+# so that we can inject test events...
+
+This is so we don't have to pollute the client-side code with test stuff.
+