initial mobile design (#54)

src/main/webapp/templates/_subscribe.html

@@ -1,4 +1,5 @@
 <div ng-controller="SubscribeCtrl">
+	
 	<div class="btn-group">
 		<button class="btn" ng-click="open()"><span class="icon-rss"></span> ${tree.subscribe}</button>
 		<button class="btn dropdown-toggle" data-toggle="dropdown">
@@ -9,6 +10,13 @@
 			<li><a ng-click="openCategory()"><i class="icon-plus"></i> ${tree.new_category}</a></li>
 		</ul>
 	</div>
+	
+	<div class="btn-group">
+		<button type="button" class="btn hidden-desktop" ng-click="MobileService.toggleLeftMenu()">
+			<i class="icon-remove"></i> ${global.close}
+		</button>
+	</div>
+	
 	<div modal="isOpen" close="close()" options="opts">
 		<div class="modal-header">
 			<button type="button" class="close" ng-click="close()">&times;</button>