src & docs : remove single option setter; update method doc

_posts/docs/2010-12-04-methods.mdown

@@ -92,20 +92,13 @@ Positions specified item elements in layout.
 
 {% endhighlight %}
 
-Modifies options for plugin instance. Can be used to get and set options. Unlike passing options through `.isotope()`, using the `option` method will not trigger layout.
+Sets options for plugin instance. Unlike passing options through `.isotope()`, using the `option` method will not trigger layout.
 
 {% highlight javascript %}
 
 // sets multiple options
 .isotope( 'option', { layoutMode: 'fitRows', filter: '.my-filter' } )
 
-// set single option
-.isotope( 'option', 'layoutMode', 'straightDown' )
-
-// get option
-.isotope( 'option', 'layoutMode' )
-// returns 'straightDown'
-
 {% endhighlight %}
 
 

jquery.isotope.js

@@ -439,8 +439,7 @@
     },
 
     option: function( key, value ){
-      // get/change options AFTER initialization:
+      // change options AFTER initialization:
-    
       // signature: $('#foo').bar({ cool:false });
       if ( $.isPlainObject( key ) ){
         this.options = $.extend(true, this.options, key);
@@ -448,11 +447,6 @@
         for ( optionName in key ) {
           this._updateOption( optionName );
         }
-    
-      // signature: $('#foo').bar('option', 'baz', false);
-      } else {
-        this.options[ key ] = value;
-        this._updateOption( key );
       }
     },