Instiki 0.16.5

Update to Rails 2.3.2 (the stable Rails 2.3 release).
Add audio/speex support
Update CHANGELOG
Bump version number

vendor/rails/activemodel/lib/active_model/validations/inclusion.rb

@@ -4,7 +4,7 @@ module ActiveModel
       # Validates whether the value of the specified attribute is available in a particular enumerable object.
       #
       #   class Person < ActiveRecord::Base
-      #     validates_inclusion_of :gender, :in => %w( m f ), :message => "woah! what are you then!??!!"
+      #     validates_inclusion_of :gender, :in => %w( m f )
       #     validates_inclusion_of :age, :in => 0..99
       #     validates_inclusion_of :format, :in => %w( jpg gif png ), :message => "extension %s is not included in the list"
       #   end