Merge branch 'v3' into redirect

src/Monitoring/Unread.coffee

@@ -30,6 +30,7 @@ Unread =
     for ID, post of Unread.thread.posts
       posts.push post if post.isReply
     Unread.addPosts posts
+    return unless Conf['Scroll to Last Read Post']
     Unread.scroll()
 
   scroll: ->
@@ -43,11 +44,15 @@ Unread =
         break if prevID is post.ID
         prevID = post.ID
         break unless post.isHidden
-      root.scrollIntoView false
-      return
-    # Scroll to the last read post.
-    posts = Object.keys Unread.thread.posts
-    Header.scrollToPost Unread.thread.posts[posts[posts.length - 1]].nodes.root
+      onload = -> root.scrollIntoView false
+    else
+      # Scroll to the last read post.
+      posts = Object.keys Unread.thread.posts
+      post  = Unread.thread.posts[posts[posts.length - 1]]
+      onload = -> Header.scrollToPost post.nodes.root
+    # Prevent the browser to scroll back to
+    # the previous scroll location on page load.
+    $.on window, 'load', onload
 
   sync: ->
     lastReadPost = Unread.db.get