Get rid of overviewer.gmap, move code into util

overviewer_core/data/js_src/overviewer.js

@@ -86,40 +86,3 @@ overviewer.classes = {
         }
 
 };
-
-
-overviewer.gmap = {
-
-        /**
-         * Generate a function to get the path to a tile at a particular location
-         * and zoom level.
-         * 
-         * @param string path
-         * @param string pathBase
-         * @param string pathExt
-         */
-        'getTileUrlGenerator': function(path, pathBase, pathExt) {
-            return function(o) {
-                var url = path;
-                var zoom = o.z;
-                var urlBase = ( pathBase ? pathBase : '' );
-                if(o.x < 0 || o.x >= Math.pow(2, zoom) ||
-                   o.y < 0 || o.y >= Math.pow(2, zoom)) {
-                    url += '/blank';
-                } else if(zoom === 0) {
-                    url += '/base';
-                } else {
-                    for(var z = zoom - 1; z >= 0; --z) {
-                        var x = Math.floor(o.x / Math.pow(2, z)) % 2;
-                        var y = Math.floor(o.y / Math.pow(2, z)) % 2;
-                        url += '/' + (x + 2 * y);
-                    }
-                }
-                url = url + '.' + pathExt;
-                if(typeof overviewerConfig.map.cacheTag !== 'undefined') {
-                    url += '?c=' + overviewerConfig.map.cacheTag;
-                }
-                return(urlBase + url);
-            };
-        }
-};