#911 support params option in Parse.Cloud.httpRequest

src/cloud-code/httpRequest.js

@@ -1,4 +1,5 @@
 var request = require("request"),
+  querystring = require('querystring'),
   Parse = require('parse/node').Parse;
 
 var encodeBody = function(body, headers = {}) {
@@ -34,7 +35,13 @@ module.exports = function(options) {
   options.body = encodeBody(options.body, options.headers);
   // set follow redirects to false by default
   options.followRedirect = options.followRedirects == true;
-  
+  // support params options
+  if (typeof options.params === 'object') {
+    options.qs = options.params;
+  } else if (typeof options.params === 'string') {
+    options.qs = querystring.parse(options.params);
+  }
+
   request(options, (error, response, body) => {
     if (error) {
       if (callbacks.error) {