Correct button names

app/assets/javascripts/repo/repo_file_buttons.js

@@ -15,7 +15,7 @@ export default class RepoFileButtons {
       mixins: [RepoMiniMixin],
       template: `
       <div id='repo-file-buttons' v-if='isMini' :style='{"border-bottom": editableBorder}'>
-        <a :href='rawFileURL' target='_blank' class='btn btn-default'>Download file</a>
+        <a :href='rawFileURL' target='_blank' class='btn btn-default'>Raw</a>
         <div class="btn-group" role="group" aria-label="File actions">
           <a :href='blameFileUrl' class='btn btn-default'>Blame</a>
           <a :href='historyFileUrl' class='btn btn-default'>History</a>

app/assets/javascripts/repo/repo_store.js

@@ -55,7 +55,7 @@ const RepoStore = {
 
   toggleRawPreview() {
     this.activeFile.raw = !this.activeFile.raw;
-    this.activeFileLabel = this.activeFile.raw ? 'Preview' : 'Raw';
+    this.activeFileLabel = this.activeFile.raw ?  'Display rendered file' : 'Display source';
   },
 
   setActiveFiles(file) {
@@ -92,7 +92,7 @@ const RepoStore = {
   setActiveToRaw() {
     this.activeFile.raw = false;
     // can't get vue to listen to raw for some reason so this for now.
-    this.activeFileLabel = 'Raw';
+    this.activeFileLabel = 'Display source';
   },
 
   /* eslint-disable no-param-reassign */

app/assets/javascripts/repo/repo_tab.js

+import RepoHelper from './repo_helper';
 import RepoStore from './repo_store';
 
 const RepoTab = {
@@ -27,7 +28,7 @@ const RepoTab = {
   },
 
   methods: {
-    tabClicked: RepoStore.setActiveFiles,
+    tabClicked: RepoStore.setActiveFiles.bind(RepoStore),
 
     xClicked(file) {
       if (file.changed) return;