Update BaseRDFRepo class
- set default RETRY_CONNECTION_SIZE to value -1 (infinity)
- make param repoConneciton as protected - need for connectionWrapper for Virtuoso
- issue #877
Update FailureTolerantRepositoryWrapper class
- add RepositoryConnection interface and it´s implementation support reconnecting
in case if connection fail.
- issue #877
Update VirtuosoRDFRepo - set repoWrapper as default used RepositoryConnection
- solved problem in all RDF method needs connection in case connection fail including testing this funkcionality
- issue #877