template: Don't render searchbar in portrait. Show link instead

Issue: #18

template/quitesimple/page_header

@@ -13,6 +13,7 @@
     <li><a href="{qswiki:config:linkrecent}">Recent changes</a></li>
     <li><a href="{qswiki:config:linkallpages}">All pages</a></li>
     <li><a href="{qswiki:config:linkallcats}">All categories</a></li>
+    <li id="searchlink"><a href="{qswiki:config:linksearch}">Search</a></li>
     </ul>
 
     <ul>
@@ -20,6 +21,6 @@
 	</ul>
 
     <ul id="right" class="search">
-	<li><div><form action="{qswiki:config:wikipath}" method="GET"><input type="hidden" name="action" value="search"/><input type="text" value="search here" onfocus="this.value=''" name="q"/></form></div></li>
+	<li><div id="searchbar"><form action="{qswiki:config:wikipath}" method="GET"><input type="hidden" name="action" value="search"/><input type="text" value="search here" onfocus="this.value=''" name="q"/></form></div></li>
 	</ul>
-</nav>
+</nav>