Filterable: Document classes option

Author: apsdehal

entries/filterable.xml

@@ -162,6 +162,11 @@ $.mobile.filterable.prototype.options.filterCallback = function( index, searchVa
 				<desc>A DOM element. This is a trivial application of the filter.</desc>
 			</type>
 		</option>
+		<option name="classes" type="Object">
+			<default>{}</default>
+			<xi:include href="../includes/classes-option-desc.xml" xmlns:xi="http://www.w3.org/2003/XInclude"/>
+			<xi:include href="../includes/classes-option-example.xml" xmlns:xi="http://www.w3.org/2003/XInclude"/>
+		</option>
 		<xi:include href="../includes/widget-option-defaults.xml" xmlns:xi="http://www.w3.org/2003/XInclude"/>
 		<xi:include href="../includes/widget-option-disabled.xml" xmlns:xi="http://www.w3.org/2003/XInclude"/>
 		<xi:include href="../includes/widget-option-enhanced.xml" xmlns:xi="http://www.w3.org/2003/XInclude"/>