* <p>
* @param {Object} options An object containing properties which control loading options:<ul>
* <li>params {Object} An object containing properties to pass as HTTP parameters to a remote data source.</li>
+ * <li>params.data {Object} if you are using a MemoryProxy / JsonReader, use this as the data to load stuff..
+ * <pre>
+ {
+ data : data, // array of key=>value data like JsonReader
+ total : data.length,
+ success : true
+
+ }
+ </pre>
+ }.</li>
* <li>callback {Function} A function to be called after the Records have been loaded. The callback is
* passed the following arguments:<ul>
* <li>r : Roo.data.Record[]</li>