Resolve confusion between ColumnBackButton and the slim version that

the public timeline has been using

app/assets/javascripts/components/components/column_back_button_slim.jsx

@@ -18,7 +18,7 @@ const iconStyle = {
   marginRight: '5px'
 };
 
-const ColumnBackButton = React.createClass({
+const ColumnBackButtonSlim = React.createClass({
 
   contextTypes: {
     router: React.PropTypes.object
@@ -43,4 +43,4 @@ const ColumnBackButton = React.createClass({
 
 });
 
-export default ColumnBackButton;
+export default ColumnBackButtonSlim;

app/assets/javascripts/components/features/favourited_statuses/index.jsx

@@ -5,7 +5,7 @@ import LoadingIndicator from '../../components/loading_indicator';
 import { fetchFavouritedStatuses, expandFavouritedStatuses } from '../../actions/favourites';
 import Column from '../ui/components/column';
 import StatusList from '../../components/status_list';
-import ColumnBackButton from '../public_timeline/components/column_back_button';
+import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import { defineMessages, injectIntl } from 'react-intl';
 
 const messages = defineMessages({
@@ -52,7 +52,7 @@ const Favourites = React.createClass({
 
     return (
       <Column icon='star' heading={intl.formatMessage(messages.heading)}>
-        <ColumnBackButton />
+        <ColumnBackButtonSlim />
         <StatusList statusIds={statusIds} me={me} onScrollToBottom={this.handleScrollToBottom} />
       </Column>
     );

app/assets/javascripts/components/features/follow_requests/index.jsx

@@ -4,7 +4,7 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import LoadingIndicator from '../../components/loading_indicator';
 import { ScrollContainer } from 'react-router-scroll';
 import Column from '../ui/components/column';
-import ColumnBackButton from '../../components/column_back_button';
+import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import AccountAuthorizeContainer from './containers/account_authorize_container';
 import { fetchFollowRequests, expandFollowRequests } from '../../actions/accounts';
 import { defineMessages, injectIntl } from 'react-intl';
@@ -52,7 +52,7 @@ const FollowRequests = React.createClass({
 
     return (
       <Column icon='users' heading={intl.formatMessage(messages.heading)}>
-        <ColumnBackButton />
+        <ColumnBackButtonSlim />
         <ScrollContainer scrollKey='follow_requests'>
           <div className='scrollable' onScroll={this.handleScroll}>
             {accountIds.map(id =>

app/assets/javascripts/components/features/hashtag_timeline/index.jsx

@@ -7,7 +7,7 @@ import {
   updateTimeline,
   deleteFromTimelines
 } from '../../actions/timelines';
-import ColumnBackButton from '../public_timeline/components/column_back_button';
+import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 
 const HashtagTimeline = React.createClass({
 
@@ -69,7 +69,7 @@ const HashtagTimeline = React.createClass({
 
     return (
       <Column icon='hashtag' heading={id}>
-        <ColumnBackButton />
+        <ColumnBackButtonSlim />
         <StatusListContainer type='tag' id={id} />
       </Column>
     );

app/assets/javascripts/components/features/public_timeline/index.jsx

@@ -8,7 +8,7 @@ import {
   deleteFromTimelines
 } from '../../actions/timelines';
 import { defineMessages, injectIntl } from 'react-intl';
-import ColumnBackButton from './components/column_back_button';
+import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 
 const messages = defineMessages({
   title: { id: 'column.public', defaultMessage: 'Public' }
@@ -55,7 +55,7 @@ const PublicTimeline = React.createClass({
 
     return (
       <Column icon='globe' heading={intl.formatMessage(messages.title)}>
-        <ColumnBackButton />
+        <ColumnBackButtonSlim />
         <StatusListContainer type='public' />
       </Column>
     );