Restyle public access help page

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/help/public_access.html.haml

@@ -12,10 +12,10 @@
     %br
     Internal projects will only be available to authenticated users.
 
-  %hr
-  %h4
+  .clearfix
+    .dashboard-intro-icon
       = public_icon
-     
+    %h4
       Public projects
     %p
       Public project can be cloned
@@ -27,10 +27,10 @@
       %strong Any logged in user
       will have #{link_to "Guest", help_permissions_path} permissions on the repository."
 
-  %hr
-  %h4
+  .clearfix
+    .dashboard-intro-icon
       = internal_icon
-     
+    %h4
       Internal projects
     %p
       Internal project can be cloned by any logged in user.
@@ -39,8 +39,6 @@
       %br
       Any logged in user will have #{link_to "Guest", help_permissions_path} permissions on the repository.
 
-  %hr
-
   %h4 How to change project visibility
   %ol
     %li Go to your project dashboard