Move plugins to separate directory.

plugins/wiki/app/views/pages/_recent_changes.html.haml

@@ -0,0 +1,8 @@
+%table.table.table-striped
+  %thead
+    %tr
+      %th= t 'pages.title'
+      %th= t 'pages.last_updated'
+  %tbody
+    - for page in @pages
+      = render :partial => "page_list_item", :locals => {:page => page, :level => 0, :siteMap => 0}