[reshares] display flash message instead of just appending it to the stream (fixes #2094)

app/assets/javascripts/app/views/feedback_view.js

@@ -39,7 +39,11 @@ app.views.Feedback = app.views.Base.extend({
     reshare.save({}, {
       url: this.model.createReshareUrl,
       success : function(resp){
-        app.stream && app.stream.add(reshare);
+        var flash = new Diaspora.Widgets.FlashMessages;
+        flash.render({
+          success: true,
+          notice: Diaspora.I18n.t("reshares.successful")
+        });
         model.trigger("interacted")
       }
     });

config/locales/javascript/javascript.en.yml

@@ -60,6 +60,7 @@ en:
       hide: "hide comments"
     reshares:
       duplicate: "That good, huh?  You've already reshared that post!"
+      successful: "The post was successfully reshared!"
     aspect_navigation:
       select_all: "Select all"
       deselect_all: "Deselect all"