take toString away from Geometry.LineString and Geometry.LinearRing, give it to Geometry.Collection, and make sure the IE hack doesn't clobber toString during inheritance - see #552 and #565

git-svn-id: http://svn.openlayers.org/trunk/openlayers@2901 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Geometry/Collection.js

@@ -46,6 +46,15 @@ OpenLayers.Geometry.Collection.prototype =
         this.components = null;
     },
 
+    /**
+     * @returns The coordinates components as a string
+     * @type String
+     */
+    toString: function() {
+        return this.components.toString();
+    },
+    
+
     /**
      * @returns An exact clone of this collection
      * @type OpenLayers.Geometry.Collection