Added the ability to destroy wiki pages (content and its history are deleted from the database).

This permission has to be explicitly given (Roles & Permissions -> Wiki pages/Delete).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@540 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/049_add_wiki_destroy_page_permission.rb

@@ -0,0 +1,9 @@
+class AddWikiDestroyPagePermission < ActiveRecord::Migration
+  def self.up
+    Permission.create :controller => 'wiki', :action => 'destroy', :description => 'button_delete', :sort => 1740, :is_public => false, :mail_option => 0, :mail_enabled => 0
+  end
+
+  def self.down
+    Permission.find_by_controller_and_action('wiki', 'destroy').destroy
+  end
+end