CORD GUI - Coded up email -> SSID -> Subscriber ID lookup on the server side.

Change-Id: I79715f090a692cfcce744cede88772f79b49f599
diff --git a/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/CordWebResource.java b/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/CordWebResource.java
index 0a27290..ab3f311 100644
--- a/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/CordWebResource.java
+++ b/apps/demo/cord-gui/src/main/java/org/onosproject/cord/gui/CordWebResource.java
@@ -54,6 +54,13 @@
 
     @GET
     @Produces(MediaType.APPLICATION_JSON)
+    @Path("login/{email}")
+    public Response login(@PathParam("email") String email) {
+        return Response.ok(CordModelCache.INSTANCE.jsonLogin(email)).build();
+    }
+
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
     @Path("bundle/{id}")
     public Response bundle(@PathParam("id") String bundleId) {
         CordModelCache.INSTANCE.setCurrentBundle(bundleId);