fix issue #41 (correct loading posts in both timeline and profile modal)

js/twister_actions.js

@@ -120,6 +120,7 @@ function requestPostRecursively(containerToAppend,username,resource,count)
                        requestPostRecursively(args.containerToAppend, n, "post"+lastk, count-1);
                    } else {
                        profilePostsLoading = false;
+                       args.containerToAppend.scroll();
                    }
                }
            }, {containerToAppend:containerToAppend, count:count} );

js/twister_timeline.js

@@ -211,6 +211,7 @@ function processReceivedPosts(req, posts) {
         req.mode = 'older';
         requestGetposts(req);
     }
+    $(window).scroll();
 }
 
 // request timeline update for a given list of users