Clean up topo2 initialization.  (WIP)

Change-Id: I417800019a5ebdf90da0f29ef11e7c05a4999b77
diff --git a/web/gui/src/main/webapp/app/view/topo2/topo2KeyCommands.js b/web/gui/src/main/webapp/app/view/topo2/topo2KeyCommands.js
index 0f54273..0d49e39 100644
--- a/web/gui/src/main/webapp/app/view/topo2/topo2KeyCommands.js
+++ b/web/gui/src/main/webapp/app/view/topo2/topo2KeyCommands.js
@@ -79,7 +79,7 @@
 
     function updatePrefsState(what, b) {
         prefsState[what] = b ? 1 : 0;
-        ps.setPrefs('topo_prefs', prefsState);
+        ps.setPrefs('topo2_prefs', prefsState);
     }
 
     function deviceLabelFlashMessage(index) {