Show confirmation message when deleting a feed. Fixes #10

app/controllers/feeds_controller.rb

@@ -79,7 +79,7 @@ class FeedsController < ApplicationController
     @feed.destroy
 
     respond_to do |format|
-      format.html { redirect_to feeds_url }
+      format.html { redirect_to feeds_url, notice: 'Feed deleted OK' }
       format.json { head :no_content }
     end
   end