Add comments to explain MAB structure

* format
Move resources from test to main

* update script
Move several language iso639* concordance files into one file

* add 639-1
* update pom
Add 037a and 037c
Add more issued fields

* update test
Update morph defining 'type' and 'medium'

See #512

* update tests
Add forgotten suffix
Merge branch 'master' into issue-512-facets
Uupdate index config medium as not analyzed
Merge branch 'issue-512-facets' of github.com:lobid/lodmill into issue-512-facets

Conflicts:
	lodmill-ld/src/main/resources/index-config.json
Merge branch 'master' into issue-512-facets
Merge branch 'master' into issue-512-facets
Change map from rdf:type to dct:medium
Add GND index
Add single GND resource to test set
Rename test script
Merge pull request #549 from lobid/issue-hbz-lobid-30-testSetGnd

Issue hbz lobid 30 test set gnd
Update morph to avoid "empty" dct:spatial objects

* fix: URL with spaces now escaped
* update test and testset
Set accept header to json
Merge pull request #550 from lobid/issue-nwbib-53-emptySpatial

Issue nwbib 53 empty spatial