Update FeatureEditor2.js

 *  .. class:: FeatureEditor2(config)
 *
 * Provides a menu to edit layers given in config.
 * <ul>
 *     <li>You don't have to load vector layer to allow selection and edition</li>
 *     <li>Three menu entries: One for vertex modification, one for move/rotation of feature and one for deleting
 *     feature with confirm dialog box.</li>
 *     <li>You can clicked everywhere on the map. Using a OpenLayers.Control.WMSGetFeatureInfo control, we get the
 *     clicked features (on one or many layers) and we start editing/deleting the first one on the pile, which mean
 *     you don't have to select the layer you want to edit first (in the layer tree for instance).</li>
 *     <li>You can pass as much as layers as you want.</li>
 *     <li>You can allow text add to your layer (here symbolized by a checkbox with the Ext id given on config in
 *     'labelPromptCheckboxId'</li>
 *
 * The expected 'editableLayers' parameter expected structure is:
 *
 *  editableLayers: [
 {
     layer: THE VECTOR LAYER TO DRAW ON,
     layerWMS: THE LAYER IN WMS FORM TO ALLOW LAYER REFRESH,
     saveStrategy: THE SAVE STRATEGY OF VECTOR LAYER,
     type: THE TYPE OF LAYER gxp.plugins.FeatureDrawingConstants.*,
     projection: OpenLayers.Projection OBJECT CONTAINING LAYER PROJECTION
 },
 ...
 ]