copying parameter in BlogService.getArticles()
ArticleEngineLucene.checkRights() implemented
getArticles copied from BlogPlugin to ArticleEngineHQL
SubcriptionMode BLOG removed and boolean withBlogArticles added
Article lucene query fixed for checking rights per space
ArticleLuceneQueryBuilder implemented
tests added for ArticleEnginceLucene.getArticles()
tests added for ArticleLuceneQueryBuilder.getBlogRestriction()
none tests added for ArticleLuceneQueryBuilder
removed default values in ArticleSearchParameter
BlogPlugin now uses BlogService for getArticles