Update to Prototype 1.5.0_rc2

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5497 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/CHANGELOG

 *SVN*
 
+* Update to Prototype 1.5.0_rc2. [Sam Stephenson]
+
 * Remove JavaScriptLiteral in favor of ActiveSupport::JSON::Variable. [Sam Stephenson]
 
 * Sync ActionController::StatusCodes::STATUS_CODES with http://www.iana.org/assignments/http-status-codes.  #6586 [dkubb]

railties/CHANGELOG

 *SVN*
 
+* Update to Prototype 1.5.0_rc2. [Sam Stephenson]
+
 * Add grep-based fallback to reaper, to work in pidless setups [Jamis Buck]
 
 * Only wrap request processing with our USR1 signal handler so FastCGI can trap it and raise an exception while waiting for connections. Idle processes exit immediately rather than waiting for another request; active processes gracefully exit when the request is finished.  [Jeremy Kemper]