- Add scheduler task to enable/disable content elements by feature flags

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/feature_flag/trunk@81403 735d13b6-9817-0410-8766-e36946ffe9aa
- Extend Unit-Tests
- Add configuration class

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/feature_flag/trunk@81405 735d13b6-9817-0410-8766-e36946ffe9aa