Large update for all components

reorganization, linting, updating file imports, consolidation
warning: there will be errors in this commit
todo: update webpack, add missing styles, scss files, consolidate the rest of components within features/*

app/javascript/gabsocial/containers/timeline_container.js

@@ -1,13 +1,13 @@
-import React, { Fragment } from 'react';
+import { Fragment } from 'react';
 import ReactDOM from 'react-dom';
 import { Provider } from 'react-redux';
+import { IntlProvider, addLocaleData } from 'react-intl';
 import configureStore from '../store/configureStore';
 import { hydrateStore } from '../actions/store';
-import { IntlProvider, addLocaleData } from 'react-intl';
 import { getLocale } from '../locales';
 import PublicTimeline from '../features/standalone/public_timeline';
 import HashtagTimeline from '../features/standalone/hashtag_timeline';
-import ModalContainer from '../features/ui/containers/modal_container';
+import ModalContainer from './modal_container';
 import initialState from '../initial_state';
 
 const { localeData, messages } = getLocale();
@@ -34,13 +34,7 @@ export default class TimelineContainer extends PureComponent {
   render () {
     const { locale, hashtag, local } = this.props;
 
-    let timeline;
-
-    if (hashtag) {
-      timeline = <HashtagTimeline hashtag={hashtag} />;
-    } else {
-      timeline = <PublicTimeline local={local} />;
-    }
+    const timeline = hashtag ? <HashtagTimeline hashtag={hashtag} /> : <PublicTimeline local={local} />;
 
     return (
       <IntlProvider locale={locale} messages={messages}>