Improve subject treatment

* Add isbn into a morph file; fix a mapping
* Change usage of wholly geonames file in integration tests
* Remove unused code
Add mapping to fulfill actual lobid.org mapping

* Rename a test
* Improve test
* Add morph
* Add maps used in morph
* Rename the test
Change mapping: don't use the lobid prefix
Add xml declaration and encoding
Change log level => lesser logging
Add compression
Add tar reader

* Add flux command
Update new checksum in test
Improve readability
Add flux for lobid resource transformation