Fixed admin, orders, wiki views. Converted all erb to haml.

app/views/admin/users/show.html.haml

@@ -0,0 +1,39 @@
+- title @user.nick
+
+.row-fluid
+  .span3
+    .well
+      %h4 Person
+      %p Mitglied seit #{distance_of_time_in_words(Time.now, @user.created_on)}
+      %dl
+        %dt Nick
+        %dd= @user.nick
+        %dt Name
+        %dd= h @user.name
+        %dt Email
+        %dd= @user.email
+        %dt Telefon
+        %dd= @user.phone
+        %dt Zugriff auf
+        %dd= format_roles(@user)
+  .span5
+    .well
+      %h4 Einstellungen
+      %table.table
+        - for setting in User::setting_keys.keys
+          %tr
+            %td= User::setting_keys[setting]
+            %td= @user.settings[setting] == '1' ? 'ja' : 'nein'
+  .span3
+    .well
+      %h4 Gruppenabos
+      %ul.unstyled
+        - for membership in Membership.find_all_by_user_id(@user.id)
+          %li= link_to(membership.group.name, [:admin, membership.group])
+
+%hr/
+%p
+  = link_to 'Bearbeiten', edit_admin_user_path(@user), class: 'btn'
+  = link_to 'Löschen', [:admin, @user], :confirm => "Willst du #{@user.first_name} wirklich rausschmeißen?",
+    :method => :delete, class: 'btn btn-danger'
+  = link_to "Nachricht senden", new_message_path(:message => {:mail_to => @user.id}), class: 'btn'