added POC for lucene language fallback
added DOCParagraphContentTransformer that converts docs into text and strips meta info
Merge branch 'fr-lucene-language-fallback' into fr-ers-additions
language fallback collector
added changelog entry
implemented changes suggested by WI
added configurable language field and languagesetfield and added suggestions by WI
added suggestions by WI
Merge pull request #28 from gtxcontentconnector/fr-ers-additions

Fr ers additions