Improve geo API lookup

Pass the unmodified literal to build the query. Clean the
literal to be used as JSONP callback ID in the geo morph,
NOT already in the preceding morph.

See hbz/nwbib#17.
Add dc:coverage

See hbz/nwbib#66
Merge branch 'master' into issue-nwbib-66-labels700_99

Conflicts:
	lodmill-rd/src/test/resources/hbz01.nt
Merge pull request #583 from lobid/issue-nwbib-66-labels700_99

Issue nwbib 66 labels700 99