WEB: Fix localization of URL in menus

The lang filter in the template was applied before evaluating the
content.
Then, the lang filter inside the YAML was evaluated.

data/en/menus.yaml

@@ -2,7 +2,7 @@
   class: menu-main
   links:
     - name: '{#menuMainHome#}'
-      href: '{$baseurl|lang}'
+      href: '{#baseurl#}'
     - name: '{#menuMainScreenshots#}'
       href: /screenshots/
     - name: '{#menuMainForums#}'

templates/components/menu_group.tpl

@@ -4,6 +4,7 @@
         <label for="{$menu->getClass()}">{eval var=$menu->getName()}</label>
     </dt>
     {foreach from=$menu->getEntries() key=text item=url}
-        <dd><span class="bullet"></span><a href="{eval var=$url|lang}">{eval var=$text}</a></dd>
+        {eval var=$url assign='url'}
+        <dd><span class="bullet"></span><a href="{$url|lang}">{eval var=$text}</a></dd>
     {/foreach}
-</dl>
+</dl>