v2.29.0

Changed:

• ocrd_utils.make_file_id: combine with output fileGrp if input has pageId, but don't extract numbers, #744
• OcrdMets.add_file: mets:fileGrp/@USE must be valid xs:ID, #746

Added:

• ocrd ocrd-tool: wrap list-resources and show-resource from Processor
• bashlib ocrd__parse_argv: add --list-resources and --show-resource, #751
• ocrd bashlib: wrap input-files from Processor and make_file_id
• bashlib ocrd__wrap: offer ocrd__files and ocrd__input_file, #571