Update camping to 2.1.532.

= 2.1
=== 19th Aug, 2010 (whyday)
* Helpers#R now calls to_param on any object it passes in
* Fix route generation issue with routes including "." (#22)
* Improved tests
* Improved 1.9 support
* Camping::Server is now built upon Rack::Server
* Add support for ERB, Haml etc through Tilt
* Introducing Camping.options and Camping#set
* Camping::Server only loads ActiveRecord when needed

(taca)