Added toc to wikipages. Patched wikicloth.

* patched wikicloth to serve anchor links for sections
* added table of contents
* subpages list doesn't show up per default

app/views/pages/_body.html.haml

@@ -1,5 +1,9 @@
 - content = wikified_body @page.body, @page.title
-//#toc
-//%h2 Inhaltsverzeichnis
-//= generate_toc @page.body
+- toc = generate_toc @page.body
+- unless toc.blank?
+  #wikitoc
+    %h2 
+      Inhaltsverzeichnis
+      %span= link_to_function "[verstecken]", "Element.toggle('wikitoc-content')"
+    #wikitoc-content= toc
 #wiki_content= content