Basic implementation of limitless DCAT engine.
Simplyfied DcatJsonFeedWriter.
DCAT cache prototype.
DCAT cache update request.
DCAT cache generation background (scheduled) task.
Using 'user.home' system property as DCAT root directory if 'dcat.cache.path' not defined in gpt.xml.
Merge branch 'feat/DcatLimitless' into develop