Require TYPO3 6.0.6 and Static Info Tables version 6.0.4

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/sr_language_menu/trunk@76608 735d13b6-9817-0410-8766-e36946ffe9aa
Update manual

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/sr_language_menu/trunk@76610 735d13b6-9817-0410-8766-e36946ffe9aa
Follow-up to feature #49172: Change default style of language selector

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/sr_language_menu/trunk@76611 735d13b6-9817-0410-8766-e36946ffe9aa