Collective.impersonate

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- Nothing changed yet.

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- Plone 6 compatibility -> remove <includeDependencies />
[petschki]

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- Add support for Plone 5.2 and Python 3
[cillianderoiste]

- Use explicit dependency on Products.GenericSetup >= 1.8.2
[laulaz]

- Fix issue with Lineage subsites, where the `many_users` property couldn't be resolved due to a wrong adapter context.
[thet]

- Added French translation
[laulaz]

- minor markup cleanup [ajung]

- Plone 4.3 compatibility
[petschki]

- Minor code cleanup: black, isort, travis fixes.
[thet]

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- lists available users only if the "Many users?" box in Users and Groups control panel is not checked
[tkimnguyen]

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- upgrade to Plone 5.1.5, add 'Framework :: Plone :: Addon' pypi classifier, tweak docs
[tkimnguyen]

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- update docs to show Impersonate portal action
[tkimnguyen]

- add user documentation
[tkimnguyen]

- add Impersonate personal menu item for Manager role
[tkimnguyen]

- fix buildout, isort fixes, flake8 fixes, Travis fixes
[tkimnguyen]

- upgrade to Plone 5.0.10
[tkimnguyen]

- tweak Travis xvfb start
[tkimnguyen]

- fix test buildout
[tkimnguyen]