Better messaging when changing email address

Fixes #1695

static/js/pages/user-view.js

@@ -121,6 +121,7 @@
       var errorDisplay = ApiService.errorDisplay('Could not change email address', callback);
 
       ApiService.changeUserDetails(details).then(function() {
+        $scope.context.emailAwaitingChange = $scope.changeEmailInfo.email;
         callback(true);
       }, errorDisplay);
     };