add documentation and support for tt_news

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/mfc_author/trunk@81905 735d13b6-9817-0410-8766-e36946ffe9aa
raise version to 1.3.0

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/mfc_author/trunk@81906 735d13b6-9817-0410-8766-e36946ffe9aa