updated copy mechanism for display title and intro text

src/common/data/copy.json

@@ -147,7 +147,7 @@
         "Testimony Group 03",
         "Other"
       ],
-      "info": "Seeing events occurred between"
+      "info": "Seeing events that occurred between"
     },
     "cardstack": {
       "header": "selected events",

src/components/InfoPopup.jsx

@@ -3,7 +3,9 @@ import copy from '../common/data/copy.json'
 
 export default ({ ui, app, methods }) => {
   function renderIntro () {
-    return copy[app.language].legend.default.intro.map(txt => <p>{txt}</p>)
+    var introCopy = copy[app.language].legend.default.intro
+    if (process.env.store.text && process.env.store.text.introCopy) introCopy = process.env.store.text.introCopy
+    return introCopy.map(txt => <p>{txt}</p>)
   }
 
   function renderHalfWithDot () {
@@ -83,7 +85,7 @@ export default ({ ui, app, methods }) => {
         </div>
         <br/>
         <div>
-          <p>In narratives, arrows indicate physical movement between two events.</p>
+          <p>In narrative mode, arrows indicate physical movement between two events.</p>
         </div>
 
         {

src/components/Toolbar/Layout.js

@@ -149,7 +149,7 @@ class Toolbar extends React.Component {
 
   renderToolbarTabs () {
     let title = copy[this.props.language].toolbar.title
-    if (process.env.title) title = process.env.title
+    if (process.env.display_title) title = process.env.display_title
     const narrativesLabel = copy[this.props.language].toolbar.narratives_label
     const tagsLabel = copy[this.props.language].toolbar.tags_label
     const categoriesLabel = 'Categories' // TODO: