Adding getVertices method to all geometries. Call with nodesOnly true if you only want endpoints (of lines and multilines). r=crschmidt (closes #1192)

git-svn-id: http://svn.openlayers.org/trunk/openlayers@8842 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Geometry.js

@@ -150,6 +150,20 @@ OpenLayers.Geometry = OpenLayers.Class({
     distanceTo: function(geometry, options) {
     },
     
+    /**
+     * APIMethod: getVertices
+     * Return a list of all points in this geometry.
+     *
+     * Parameters:
+     * nodesOnly - {Boolean} For lines, only return vertices that are
+     *     endpoints.
+     *
+     * Returns:
+     * {Array} A list of all vertices in the geometry.
+     */
+    getVertices: function(nodesOnly) {
+    },
+
     /**
      * Method: atPoint
      * Note - This is only an approximation based on the bounds of the