Update morph so that data clings to hbz ID rather than ZDB ID

See #502.

* update data of test set
Merge branch 'master' into issue-502-ZDB-HT-data

Conflicts:
	lodmill-rd/src/test/resources/hbz01.nt
Merge pull request #602 from lobid/issue-502-ZDB-HT-data

Update morph so that data clings to hbz ID rather than ZDB ID