Added option to make favorite groups public

app/views/favorite_groups/edit.html.erb

@@ -7,6 +7,7 @@
     <%= simple_form_for(@favorite_group) do |f| %>
       <%= f.input :name, :as => :string, :input_html => { :value => @favorite_group.pretty_name } %>
       <%= f.input :post_ids, :label => "Posts" %>
+      <%= f.input :is_public %>
       <%= f.button :submit, "Submit" %>
     <% end %>
   </div>