Added cart contains categories condition

templates/backOffice/default/coupon/condition-fragments/cart-contains-categories-condition.html

@@ -0,0 +1,14 @@
+<div class="form-group">
+    <label for="operator">{intl l="Products are :"}</label>
+    {$operatorSelectHtml nofilter}
+</div>
+
+<div class="form-group">
+    <label for="{$categories_field_name}-value">{intl l="The selected categories :"}</label>
+    <select required multiple size="5" class="form-control" id="{$categories_field_name}-value" name="{$categories_field_name}[value][]">
+        {loop type="category-tree" category=0 name="list-of-categories"}
+            <option style="padding-left: {$LEVEL * 20}px" value="{$ID}" {if in_array($ID, $values)}selected="selected"{/if}>{$TITLE}</option>
+        {/loop}
+    </select>
+    <span class="label-help-block">{intl l='Use Ctrl+click to select (or deselect) more that one category'}</span>
+</div>