Fix array warning

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84706 735d13b6-9817-0410-8766-e36946ffe9aa
Fix showitem of product

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84708 735d13b6-9817-0410-8766-e36946ffe9aa
Cleanup

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84710 735d13b6-9817-0410-8766-e36946ffe9aa
Cleanup

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84711 735d13b6-9817-0410-8766-e36946ffe9aa
Replace condition with switch

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/commerce/branches/55612@84712 735d13b6-9817-0410-8766-e36946ffe9aa