Ability to watch a wiki or a single wiki page (#413).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2765 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/wiki.rb

@@ -1,5 +1,5 @@
-# redMine - project management software
-# Copyright (C) 2006-2007  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2009  Jean-Philippe Lang
 #
 # This program is free software; you can redistribute it and/or
 # modify it under the terms of the GNU General Public License
@@ -20,6 +20,8 @@ class Wiki < ActiveRecord::Base
   has_many :pages, :class_name => 'WikiPage', :dependent => :destroy, :order => 'title'
   has_many :redirects, :class_name => 'WikiRedirect', :dependent => :delete_all
   
+  acts_as_watchable
+  
   validates_presence_of :start_page
   validates_format_of :start_page, :with => /^[^,\.\/\?\;\|\:]*$/