Save strategy should preserve feature.url when transforming, p=pwr,me, r=me (closes #2215)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@9752 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Feature/Vector.js

@@ -67,6 +67,13 @@ OpenLayers.Feature.Vector = OpenLayers.Class(OpenLayers.Feature, {
      * {Object} 
      */
     style: null,
+
+    /**
+     * APIProperty: url
+     * {String} If this property is set it will be taken into account by
+     *     {<OpenLayers.HTTP>} when upadting or deleting the feature.
+     */
+    url: null,
     
     /**
      * Property: renderIntent

lib/OpenLayers/Strategy/Save.js

@@ -166,6 +166,9 @@ OpenLayers.Strategy.Save = OpenLayers.Class(OpenLayers.Strategy, {
                 clone = orig.clone();
                 clone.fid = orig.fid;
                 clone.state = orig.state;
+                if(orig.url) {
+                    clone.url = orig.url;
+                }
                 clone._original = orig;
                 clone.geometry.transform(local, remote);
                 clones[i] = clone;