Merge pull request #188 from 10gen/INT-741-store-version

INT-741 🎉 persisting last known version to localstorage

Author: Waley Chen

src/app.js

@@ -259,7 +259,6 @@ app.extend({
    *
    * @param {String} id - A key in `FEATURES`.
    * @param {Boolean} bool - whether to enable (true) or disable (false)
-   * @return {Boolean}
    */
   setFeature: function(id, bool) {
     FEATURES[id] = bool;

src/home/index.js

@@ -1,4 +1,3 @@
-var _ = require('lodash');
 var View = require('ampersand-view');
 var format = require('util').format;
 var SidebarView = require('../sidebar');
@@ -51,9 +50,9 @@ var HomeView = View.extend({
   },
   render: function() {
     this.renderWithTemplate(this);
-    if (_.isUndefined(localStorage.tourHasRun)) {
+    if (localStorage.lastKnownVersion !== app.meta['App Version']) {
       this.renderSubview(new TourView(), this.queryByHook('tour-container'));
-      localStorage.tourHasRun = 'true';
+      localStorage.lastKnownVersion = app.meta['App Version'];
     }
   },
   onInstanceFetched: function() {