Code clean-up.
Allowing load of single range-type objects
CLI: Allowing loading of single range-type objects.
CLI: Fixing registration of the RectifiedDatasets.
Code clean-up.
Fixing missing exception.
Merge remote-tracking branch 'upstream/wms_new_layer_factories_clean'

Conflicts:
	eoxserver/resources/coverages/management/commands/eoxs_rangetype_load.py
Merge remote-tracking branch 'upstream/wms_new_layer_factories_clean'

Conflicts:
	eoxserver/resources/coverages/management/commands/eoxs_rangetype_load.py
Adding missing geometry check.
Merge remote-tracking branch 'upstream/wms_new_layer_factories_clean'