icon for newsweek_polska
fixes for fronda
sync with Kovid's branch
Update Fronda
Fix #1166562 (Updated recipe for The Onion)
Implement metadata to OPF backup
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Switch to using flake8 to check for errors
Shortcut for running individual tests
Fix pep8 compliance and add replace parameter to add_formats_with_hooks
Space after usage text block and pep8 compliance
calibredb add_format: Add an option to not replace existing formats. Also pep8 compliance.
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pep8 compliance
pep8 compliance
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Update San Francisco Chronicle
Add note about not running file syncing tools and calibre at the same time
Allow adding an action button to the process dialog
cleanup