fixed initialization of variables

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/cal/trunk@85978 735d13b6-9817-0410-8766-e36946ffe9aa
calling _init should be done first

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/cal/trunk@85979 735d13b6-9817-0410-8766-e36946ffe9aa
fixed dayview link

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/cal/trunk@85980 735d13b6-9817-0410-8766-e36946ffe9aa