use "undo" icon instead of comment for restoring posts

public/src/forum/categoryTools.js

@@ -128,7 +128,7 @@ define('forum/categoryTools', ['forum/topic/move', 'topicSelect'], function(move
 		var isAnyPinned = isAny(isTopicPinned, tids);
 		var isAnyLocked = isAny(isTopicLocked, tids);
 
-		translator.translate('<i class="fa fa-fw ' + (isAnyDeleted ? 'fa-comment' : 'fa-trash-o') + '"></i> [[topic:thread_tools.' + (isAnyDeleted ? 'restore' : 'delete') + ']]', function(translated) {
+		translator.translate('<i class="fa fa-fw ' + (isAnyDeleted ? 'fa-history' : 'fa-trash-o') + '"></i> [[topic:thread_tools.' + (isAnyDeleted ? 'restore' : 'delete') + ']]', function(translated) {
 			$('.delete_thread span').html(translated);
 		});
 

public/src/forum/topic/postTools.js

@@ -24,7 +24,7 @@ define('forum/topic/postTools', ['composer', 'share', 'navigator'], function(com
 		postEl.find('.purge').toggleClass('none', !isDeleted);
 
 		translator.translate(isDeleted ? ' [[topic:restore]]' : ' [[topic:delete]]', function(translated) {
-			postEl.find('.delete').find('i').toggleClass('fa-trash-o', !isDeleted).toggleClass('fa-comment', isDeleted);
+			postEl.find('.delete').find('i').toggleClass('fa-trash-o', !isDeleted).toggleClass('fa-history', isDeleted);
 			postEl.find('.delete').find('span').html(translated);
 		});
 	};

public/src/forum/topic/threadTools.js

@@ -116,7 +116,7 @@ define('forum/topic/threadTools', ['forum/topic/fork', 'forum/topic/move'], func
 			return;
 		}
 
-		translator.translate('<i class="fa fa-fw ' + (data.isDelete ? 'fa-comment' : 'fa-trash-o') + '"></i> [[topic:thread_tools.' + (data.isDelete ? 'restore' : 'delete') + ']]', function(translated) {
+		translator.translate('<i class="fa fa-fw ' + (data.isDelete ? 'fa-history' : 'fa-trash-o') + '"></i> [[topic:thread_tools.' + (data.isDelete ? 'restore' : 'delete') + ']]', function(translated) {
 			$('.delete_thread span').html(translated);
 		});