Small improvements to CI

app/views/admin/applications/index.html.haml

-%h3.page-title Your applications
+%h3.page-title
+  System OAuth applications
+%p.light
+  System OAuth application does not belong to certain user and can be managed only by admins
+%hr
 %p= link_to 'New Application', new_admin_application_path, class: 'btn btn-success'
 %table.table.table-striped
   %thead
     %tr
       %th Name
       %th Callback URL
+      %th Clients
       %th
       %th
   %tbody
@@ -12,5 +17,6 @@
       %tr{:id => "application_#{application.id}"}
         %td= link_to application.name, admin_application_path(application)
         %td= application.redirect_uri
+        %td= application.access_tokens.count
         %td= link_to 'Edit', edit_admin_application_path(application), class: 'btn btn-link'
         %td= render 'delete_form', application: application

app/views/layouts/nav/_admin.html.haml

@@ -11,7 +11,7 @@
         Projects
   = nav_link(controller: :users) do
     = link_to admin_users_path do
-      %i.fa.fa-users
+      %i.fa.fa-user
       %span
         Users
   = nav_link(controller: :groups) do
@@ -48,6 +48,6 @@
 
   = nav_link(controller: :applications) do
     = link_to admin_applications_path do
-      %i.fa.fa-unlock-alt
+      %i.fa.fa-cloud
       %span
-        Application
+        Applications