Follow up to #57091: Class 'Tx_SrFeuserRegister_Utility_UrlUtility' not found in TYPO3 4.5

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/sr_feuser_register/trunk@84395 735d13b6-9817-0410-8766-e36946ffe9aa
Update version to 3.1.1

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/sr_feuser_register/trunk@84396 735d13b6-9817-0410-8766-e36946ffe9aa