Fix URL updating in Potlatch 1

Potlatch 1 has hard coded calls to updatelinks, so rename the
updatelinks function to updateLinks and add an updatelinks function
using the old style argument list for Potlatch 1 to call.

app/views/site/id.html.erb

@@ -37,7 +37,7 @@
         center = id.map().center(),
         llz = { lon: center[0], lat: center[1], zoom: zoom };
 
-      parent.updatelinks(llz, zoom);
+      parent.updateLinks(llz, zoom);
 
       // Manually resolve URL to avoid iframe JS context weirdness.
       // http://bl.ocks.org/jfirebaugh/5439412