THRIFT-2823: grunt jsjq test fail
Client: JS
Patch: Randy Abernethy

Node no longer supports loading thrift.js from
parent dir, moved to test/build
diff --git a/lib/js/README.md b/lib/js/README.md
index 8c4340b..dfa6e82 100644
--- a/lib/js/README.md
+++ b/lib/js/README.md
@@ -40,11 +40,18 @@
 
     grunt
     
-This runs therunt build tool, linting all of the source 
+This runs the grunt build tool, linting all of the source
 files, setting up and running the tests, concatenating and
 minifying the main libraries and generating the html 
 documentation.
 
+If grunt is not installed you can install it with npm
+like this:
+
+   sudo npm install -g grunt-cli
+   npm install grunt --save-dev
+
+
 Tree
 ----
 The following directories are present (some only after the