Adding readers and writers properties to xml formats. These will contain public functions used in serializing and deserializing various formats. Shorthand methods for calling these readers & writers are writeNode and readNode. r=ahocever (closes #1722)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@7982 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Format.js

@@ -13,6 +13,12 @@
  */
 OpenLayers.Format = OpenLayers.Class({
     
+    /**
+     * Property: options
+     * {Object} A reference to options passed to the constructor.
+     */
+    options: null,
+    
     /**
      * APIProperty: externalProjection
      * {<OpenLayers.Projection>} When passed a externalProjection and
@@ -54,6 +60,14 @@ OpenLayers.Format = OpenLayers.Class({
      */
     initialize: function(options) {
         OpenLayers.Util.extend(this, options);
+        this.options = options;
+    },
+    
+    /**
+     * APIMethod: destroy
+     * Clean up.
+     */
+    destroy: function() {
     },
 
     /**