Added basic mapping from solr documents to domain obects, code cleanup

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/esolr/trunk@79712 735d13b6-9817-0410-8766-e36946ffe9aa
Added option to use solr relation management, code cleanup

git-svn-id: https://svn.typo3.org/TYPO3v4/Extensions/esolr/trunk@79725 735d13b6-9817-0410-8766-e36946ffe9aa