Use groups instead of groupings, removed groupings

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/esolr/trunk@80175 735d13b6-9817-0410-8766-e36946ffe9aa
Added query time

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/esolr/trunk@80178 735d13b6-9817-0410-8766-e36946ffe9aa
Added query time

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/esolr/trunk@80179 735d13b6-9817-0410-8766-e36946ffe9aa