Ask user what to do with child pages when deleting a parent wiki page (#3202).

3 options are available:
* move child pages as root pages
* move child pages to another parent page
* delete all descendants

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2676 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/wiki/edit.rhtml

@@ -1,4 +1,4 @@
-<h2><%= @page.pretty_title %></h2>
+<h2><%=h @page.pretty_title %></h2>
 
 <% form_for :content, @content, :url => {:action => 'edit', :page => @page.title}, :html => {:id => 'wiki_form'} do |f| %>
 <%= f.hidden_field :version %>