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/test/_karma/ev/simple/ev_16_removeDevice_03.json b/web/gui/src/test/_karma/ev/simple/ev_16_removeDevice_03.json
index 9df9d61..396db5c 100644
--- a/web/gui/src/test/_karma/ev/simple/ev_16_removeDevice_03.json
+++ b/web/gui/src/test/_karma/ev/simple/ev_16_removeDevice_03.json
@@ -5,7 +5,7 @@
     "type": "switch",
     "online": false,
     "location": {
-      "type": "latlng",
+      "type": "lnglat",
       "lat": 40.7127,
       "lng": -74.0059
     },