Add regex filters on the community timeline and the public timeline. (#3564)

* Add regex filter on the community timeline and the public timeline

* correcting

* Adjust the height of header buttons

* Remove trailing spaces

* Remove trailing spaces

* Solve some code duplication

* reset the state of the locale files in app/javascript/mastodon/locales

* adjust to upstream

* adjust to upstream

* change keys of locale settings

app/javascript/mastodon/features/community_timeline/index.js

@@ -14,6 +14,7 @@ import {
 import { addColumn, removeColumn, moveColumn } from '../../actions/columns';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
 import ColumnBackButtonSlim from '../../components/column_back_button_slim';
+import ColumnSettingsContainer from './containers/column_settings_container';
 import createStream from '../../stream';
 
 const messages = defineMessages({
@@ -120,7 +121,9 @@ class CommunityTimeline extends React.PureComponent {
           onClick={this.handleHeaderClick}
           pinned={pinned}
           multiColumn={multiColumn}
-        />
+        >
+          <ColumnSettingsContainer />
+        </ColumnHeader>
 
         <StatusListContainer
           {...this.props}