Added bing Composite Search support

lib/bing.js

@@ -22,7 +22,7 @@ var Bing = function( options ) {
   var defaults = {
 
     //Bing Search API URI
-    rootUri: "https://api.datamarket.azure.com/Bing/Search/",
+    rootUri: "https://api.datamarket.azure.com/Bing/Search/v1/",
 
     //Account Key
     accKey: null,
@@ -131,6 +131,27 @@ Bing.prototype.web = function(query, callback, options) {
 Bing.prototype.search = Bing.prototype.web;
 
 
+/**
+ * Performs a Bing search in the Composite vertical.
+ *
+ * @param {String} query              Query term to search for.
+ *
+ * @param {requestCallback} callback  Callback called with (potentially
+ *                                    json-parsed) response.
+ *
+ * @param {Object} options            Options to command, allows overriding
+ *                                    of rootUri, accKey (Bing API key),
+ *                                    userAgent, reqTimeout, top, skip,
+ * @function
+ */
+Bing.prototype.composite = function(query, callback, options) {
+  this.searchVertical(query, "Composite", callback, options);
+};
+
+// Alias Bing.search to Bing.web
+// Note: Keep this for compatibility with older versions
+Bing.prototype.search = Bing.prototype.composite;
+
 /**
  * Performs a Bing search in the Images vertical.
  *