Added:

• Implement file resource algorithm from OCR-D/spec#169, #559
• New CLI ocrd resmgr to download/browse processor resources, #559
• Workspace.rename_file_group with CLI ocrd workspace rename-group to rename file groups, #646
• PAGE API method get_AllTextLines
• resources for kraken

Changed:

• ocrd workspace add: guess --mimetype if not provided, #658
• ocrd workspace add: warn if --page-id not provided, #659

Fixed:

• run_cli: don't reference undefined vars in error handler, #651
• name of resources mustn't contain slash /