Original commit message from CVS:
* configure.ac
* ext/metadata/README:
* ext/metadata/metadataexif.c:
* ext/metadata/metadatatags.c:
* ext/metadata/metadatatags.h:
Start using core geo tags (bump req). Fix handling of location
references.
* tests/check/Makefile.am:
Sort blacklisted elements and remove moved ones. Add new test.
* tests/check/pipelines/metadata.c:
Add first tests for metadata element.
* tests/icles/metadata_editor.c:
Move free to correct place.
