First do not build the plugin, if we have none of the backend, as it won't work
then. Fix the miniobject_unref error in the test. Sprinkle a first handful of
debug logs into the element code.
Original commit message from CVS:
* tests/check/pipelines/metadata.c:
Make the metadata test not fail when jpegenc isn't available....
as it isn't here, because it's not in this module, and
therefore not in the plugin path when the check runs.
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.
