JSHint Instructions and Xcode Full Install Options

Add instructions for installing JSHint Sublime Text Package

Include location of Xcode installed developer tools:
ls -al /Applications/Xcode.app/Contents/Developer/usr/bin/

Author: Alex

README.md

@@ -31,6 +31,7 @@ If you have any comments or suggestions, feel free to give me a shout [on Twitte
 - [Elasticsearch](#elasticsearch)
 - [Projects folder](#projects-folder)
 - [Apps](#apps)
+- [JSHint](#jshint)
 
 ## System update
 
@@ -519,6 +520,10 @@ We also need to tell npm where to find the Xcode Command Line Tools, by running:
 
     $ sudo xcode-select -switch /usr/bin
 
+(If Xcode Command Line Tools were installed by Xcode, try instead:)
+
+    $ sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer
+
 Node modules are installed locally in the `node_modules` folder of each project by default, but there are at least two that are worth installing globally. Those are [CoffeeScript](http://coffeescript.org/) and [Grunt](http://gruntjs.com/):
 
     $ npm install -g coffee-script
@@ -552,6 +557,18 @@ To uninstall a package:
 
     $ npm uninstall <package>
 
+##JSHint
+
+JSHint is a JavaScript developer's best friend. 
+
+If the extra credit assignment to install Sublime Package Manager was completed, JSHint can be run as part of Sublime Text. 
+
+Install JSHint via npm (global install preferred)
+
+   $ npm install -g jshint
+
+Follow additional instructions on the [JSHint Package Manager page](https://sublime.wbond.net/packages/JSHint) or [build it manually](https://github.com/jshint/jshint)
+
 ## Ruby and RVM
 
 Like Python, [Ruby](http://www.ruby-lang.org/) is already installed on Unix systems. But we don't want to mess around with that installation. More importantly, we want to be able to use the latest version of Ruby.
@@ -836,3 +853,5 @@ Here is a quick list of some apps I use, and that you might find useful as well:
 - [Moom](http://manytricks.com/moom/): Don't waste time resizing and moving your windows. Moom makes this very easy. **($10)**
 
 
+
+