Modify deprecation message to reflect version and future plans of development

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@83675 735d13b6-9817-0410-8766-e36946ffe9aa
Cleanup deprecation messages

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@83684 735d13b6-9817-0410-8766-e36946ffe9aa