ONOS-2470: Implement "Reset Node Locations" function in topology view.
- also cleaned up some Long/Lat code.
- Note also that metadata from client is structured so 'lng/lat' properties
    (from repositioned node) are wrapped in 'equivLoc' object.

Change-Id: I5afc53d26ef56fc0932f8650e8f7df79b36c3947
diff --git a/web/gui/src/main/webapp/app/view/topo/topoToolbar.js b/web/gui/src/main/webapp/app/view/topo/topoToolbar.js
index c62e52b..deb49a5 100644
--- a/web/gui/src/main/webapp/app/view/topo/topoToolbar.js
+++ b/web/gui/src/main/webapp/app/view/topo/topoToolbar.js
@@ -51,6 +51,7 @@
         B: { id: 'bkgrnd-tog', gid: 'map', isel: false },
         S: { id: 'sprite-tog', gid: 'cloud', isel: false },
 
+        // TODO: add reset-node-locations button to toolbar
         //X: { id: 'nodelock-tog', gid: 'lock', isel: false },
         Z: { id: 'oblique-tog', gid: 'oblique', isel: false },
         N: { id: 'filters-btn', gid: 'filters' },