Fix timelines loading bug

app/assets/javascripts/components/actions/timelines.jsx

@@ -67,7 +67,7 @@ export function refreshTimeline(timeline, id = null) {
     let params = '';
     let path   = timeline;
 
-    if (newestId !== null) {
+    if (newestId !== null && getState().getIn(['timelines', timeline, 'loaded'])) {
       params = `?since_id=${newestId}`;
     }
 

app/assets/javascripts/components/features/account/components/action_bar.jsx

@@ -39,7 +39,7 @@ const ActionBar = React.createClass({
   propTypes: {
     account: ImmutablePropTypes.map.isRequired,
     me: React.PropTypes.number.isRequired,
-    onFollow: React.PropTypes.func.isRequired,
+    onFollow: React.PropTypes.func,
     onBlock: React.PropTypes.func.isRequired,
     onMention: React.PropTypes.func.isRequired
   },

app/assets/javascripts/components/reducers/timelines.jsx

@@ -83,7 +83,7 @@ const normalizeTimeline = (state, timeline, statuses, replace = false) => {
 
   state = state.setIn([timeline, 'loaded'], true);
 
-  return state.updateIn([timeline, 'items'], Immutable.List(), list => (loaded ? list.unshift(...ids) : list.push(...ids)));
+  return state.updateIn([timeline, 'items'], Immutable.List(), list => (loaded ? list.unshift(...ids) : ids));
 };
 
 const appendNormalizedTimeline = (state, timeline, statuses) => {