Added an icon to the filter button and updated the class to match the included css

Author: David Yell

src/Template/Bake/Template/index.ctp

@@ -13,11 +13,11 @@ $fields = collection($fields)
     <?= $this->Html->link('New', ['action' => 'add'], ['class' => 'btn btn-primary']);?>
 </div>
 
-<div class="filter">
+<div class="search">
     <?php
     echo $this->Form->create(null, ['class' => 'form-inline']);
     echo $this->Form->control('title');
-    echo $this->Form->button('Filter',['type' => 'submit', 'class' => 'btn btn-success']);
+    echo $this->Form->button('<span class=\'glyphicon glyphicon-search\'></span> Filter',['type' => 'submit', 'class' => 'btn btn-success']);
     echo $this->Html->link('Reset', ['action' => 'index'], ['class' => 'btn btn-default']);
     echo $this->Form->end();
     ?>