Bobtemplates.plone

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- replace backslash with os.path.sep 531
[me-kell]

- fix missing tox.ini in addon template
[MrTango]

- fix missing comma in testing.py of addon template
[MrTango]

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- Improve namespace support 419
[mamico]

- Add support for Python 3.10 / drop Python 3.7 in CI
[pbauer]

- use cmf.ManagePortal permission by default in forms
[MrTango]

- run applyChanges in forms by default
[MrTango]

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- Add sub-template form, to generate z3c.form based forms
[MrTango]

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- Improve namespace support 520
[mamico]

- Upgrade patternslib/dev dependency for the `mockup_pattern` template.
[thet]

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- Remove stale templates from theme_basic
[santonelli]

- Switch to class based Patterns in mockup_pattern template
[thet]

- Improve theme template README and theme.scss
[MrTango]

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- Update theme_barceloneta to use plonetheme-barceloneta-base 3.0.0b6 and use SCSS example import structure from Bootstrap documentation.
[agitator]

- Added mockup pattern template.
[reinhardt, thet]

- update theme package versions and improve readme
[MrTango]