TJ/HM: tombstone as StringField; Now possible to count deletes
HM: Show total and deletes on info pages
TJ: show deletes and records without deletes.
TJ: OaiJsonInfoTest -> OaiInfoTest, test json info as part of the OaiInfo.
TJ: better texts.
TJ: use constants.
TJ: new conversion data.
TJ: start conversion.
TJ: create data with check of the expected data.
TJ: convert v7 to v8
JPM/TJ: new option tested.
JPM/TJ: getData instead of getStream used by OaiProvenance
TJ/JPM: to solve an identifier issue with provenance got rid of confusing OaiIdentifierRename, replaced by OaiRepository with prefixIdentifier and unprefixIdentifier methods
HM/TJ: license check.
HM/TJ: deps.