routing test adjustments
refs #637
Use AgaviToolkit::expandVariables() in AgaviGettextTranslator, refs #632
Check for existing X-Powered-By header before setting it in WebResponse, closes #640
merge 9e9c17d451e5801bec8d4cb9518caa25001ac3b1
merge f045d32631ab2abf2563ce9bcac0a1524196899a
merge 1fd91fbdb38bc083cdb712a4f399d24ea222018d