Increase package grouping fuzziness by rounding to 4 decimal places

www/assets/js/packages.js

@@ -91,6 +91,11 @@ function addPackage(address, latitude, longitude, type, callback, deadline) {
         deadline = false;
     }
 
+    // Extra precision makes the map stupider,
+    // and doesn't really increase accuracy since four decimal places ~= 11m
+    latitude = latitude.toFixed(4);
+    longitude = longitude.toFixed(4);
+
     var packageID = uuidv4();
     var coordsID = "";