Add support for GeoJSON Bounding Box/Envelope, r=crschmidt (closes #1878)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@8582 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Feature/Vector.js

@@ -47,6 +47,15 @@ OpenLayers.Feature.Vector = OpenLayers.Class(OpenLayers.Feature, {
      */
     attributes: null,
 
+    /**
+     * Property: bounds
+     * {<OpenLayers.Bounds>} The box bounding that feature's geometry, that
+     *     property can be set by an <OpenLayers.Format> object when
+     *     deserializing the feature, so in most cases it represents an
+     *     information set by the server. 
+     */
+    bounds: null,
+
     /** 
      * Property: state 
      * {String}