small changes

app/views/layouts/_navigation.html.haml

@@ -25,7 +25,7 @@
                 %b.caret
               %ul.dropdown-menu
                 = render 'layouts/user_menu'
-          - if can? :manage, Conference
+          - if can? :manage, Comment
             %ul.nav.navbar-nav.navbar-right
               %li.dropdown
                 %a.dropdown-toggle{"data-toggle" => "dropdown", :href => "#", id: "unread-comments-preview"}

config/routes.rb

@@ -15,7 +15,7 @@ Osem::Application.routes.draw do
   namespace :admin do
     resources :users
     resources :people
-    resources :comments
+    resources :comments, only: [:index]
     resources :conference do
       member do
         get :roles