fix bulkSave(). Patch insipred by Lena Herrmann. Closes COUCHDB-634

git-svn-id: https://svn.apache.org/repos/asf/couchdb/trunk@905121 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/jquery.couch.js b/jquery.couch.js
index 1925b3b..10c1e4b 100644
--- a/jquery.couch.js
+++ b/jquery.couch.js
@@ -288,7 +288,8 @@
           $.extend(options, {successStatus: 201});
           ajax({
               type: "POST",
-              url: this.uri + "_bulk_docs" + encodeOptions(options)
+              url: this.uri + "_bulk_docs" + encodeOptions(options),
+              data: toJSON(docs)
             },
             options,
             "The documents could not be saved"