Adjust installation doc

Author: carl@connectedbrains.com

usage/_posts/2014-01-20-client-side.html

@@ -10,8 +10,6 @@
 
 ## Installation
 
-GSS will go parallel with [Web Workers](http://www.html5rocks.com/en/tutorials/workers/basics/) when the browser supports it.  Thus, you need two JS files to get started; `gss.js` & it's helpful `worker.js`.  Use the `GSS_CONFIG` object to set worker URL.
-
 If you download via Bower:
 
 {% highlight javascript %}
@@ -21,18 +19,14 @@
 Use the following:
 
 {% highlight html %}
-<script>
-  GSS_CONFIG = {
-    worker: "../bower_components/gss/dist/worker.js"
-  }
+<script src="/bower_components/gss/dist/gss.js"></script>
+<script type="text/javascript">
+  window.engine = new GSS(document);
 </script>
-<script src="../bower_components/gss/dist/gss.js"></script>
 {% endhighlight %}
 
 Otherwise, [download version {{site.version}}](https://github.com/gss/engine/archive/{{ site.version }}.zip) or clone the [github repo](https://github.com/gss/engine).
 
-**IMPORTANT** worker URL must be configured!
-
 ## Usage
 
 To load your `.gss` stylesheets, just add `type=text/gss`:
@@ -50,62 +44,3 @@
 
 </style>
 {% endhighlight %}
-
-
-## Configuration
-
-Options can be given on the following global object before the `<script src="gss.js"></script>`:
-
-{% highlight html %}
-<script>
-GSS_CONFIG = {
-
-  // Web Worker
-  // URL to worker must be set!
-  worker: '../dist/worker.js',
-  useWorker: !!window.Worker,
-
-  // Cassowary defaults
-  defaultStrength: 'weak', // 'weak', 'medium', 'strong', 'required'
-  defaultWeight: 0,
-
-  // FOUC prevention
-  // adds "gss-ready" and removes "gss-not-ready" classes on html tag
-  readyClass: true,
-
-  // Fractional pixels values
-  // bad for text, good for accuracy
-  fractionalPixels: true,
-
-  // Scrollbar size offset
-  verticalScroll: true,
-  horizontalScroll: false,
-
-  // Mutation Observer
-  observe: true,
-  observerOptions: {
-    subtree: true,
-    childList: true,
-    attributes: true,
-    characterData: true
-  },
-
-  // Callback to process variables before setting DOM
-  processBeforeSet: null, // function
-
-  // ::window resize debounce time
-  resizeDebounce: 32, // (ms)
-
-  // Logging
-  debug: false,
-  warn: false,
-  perf: false
-
-};
-</script>
-<script src="gss.js"></script>
-{% endhighlight %}
-
-
-
-