Log Message:
Update ruby-actionpack to 1.13.2.

Changes:
* Add much-needed html-scanner tests.  Fixed CDATA parsing bug. [Rick]
* improve error message for Routing for named routes. [Rob Sanheim]
* Added enhanced docs to routing assertions. [Rob Sanheim]
* fix form_for example in ActionController::Resources documentation. [gnarg]
* Add singleton resources from trunk [Rick Olson]
* TestSession supports indifferent access so session['foo'] == session[:foo]
  in your tests. #7372 [julik, jean.helou]
* select :multiple => true suffixes the attribute name with [] unless already
  suffixed. #6977 [nik.kakelin, ben, julik]
* Improve routes documentation.  #7095 [zackchandler]
* Resource member routes require :id, eliminating the ambiguous overlap with
  collection routes. #7229 [dkubb]
* Fixed NumberHelper#number_with_delimiter to use "." always for \ 
splitting the
  original number, not the delimiter parameter #7389 [ceefour]
* Autolinking recognizes trailing and embedded . , : ;  #7354 [Jarkko Laine]
* Make TextHelper::auto_link recognize URLs with colons in path correctly,
  fixes #7268. [imajes]
* Improved auto_link to match more valid urls correctly [Tobias Luetke]