Implements iChain authentication

app/views/layouts/_user_menu.html.haml

@@ -1,16 +1,26 @@
+- unless CONFIG['authentication']['ichain']['enabled']
+  %li
+    = link_to(edit_user_registration_path) do
+      %span.fa.fa-wrench
+      Edit Account
 %li
-  = link_to(edit_user_registration_path) do
-    %span.fa.fa-wrench
-    Edit Account
+  = link_to(edit_user_path(current_user.id)) do
+    %span.fa.fa-user
+    Edit Profil
 -if @conference and @conference.id
   %li
     = link_to(conference_proposal_index_path(@conference.short_title)) do
       %span.fa.fa-comment
       My Submissions
 %li
-  = link_to(destroy_user_session_path, :method=>'delete') do
-    %span.fa.fa-minus
-    Sign out
+  - if CONFIG['authentication']['ichain']['enabled']
+    = link_to(destroy_user_ichain_session_path, :method=>'delete') do
+      %span.fa.fa-minus
+      Sign out
+  - else
+    = link_to(destroy_user_session_path, :method=>'delete') do
+      %span.fa.fa-minus
+      Sign out
 - if can? :index, Conference
   %li.divider
     %li