[Bug 5886] Clean up the registration manager.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83254 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4886] Feature: Add a hook for saving additional fields in the registration form

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83255 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4886] Feature: Add a hook for saving additional fields in the registration form

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83270 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4888] Clean up the RegistrationManagerTest.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83271 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4888] Clean up the RegistrationManagerTest.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83272 735d13b6-9817-0410-8766-e36946ffe9aa
[Bug 4888] Feature: Add a hook for modifying the thank-you e-mail texts

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83273 735d13b6-9817-0410-8766-e36946ffe9aa
Bump the version number to 0.9.81.

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/seminars/trunk@83274 735d13b6-9817-0410-8766-e36946ffe9aa