Plone.app.discussion

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New features:

- Added notification about the publishing or elimination of a comment.
[eikichi18]

Bug fixes:

- Fix location of controlpanel events.
[jensens]

- Fixed tests when IRichText behavior is used.
IRichText -> IRichTextBehavior
This is a follow up to `issue 476 <https://github.com/plone/plone.app.contenttypes/issues/476>`_.
[iham]

- Fix commenting and tests in python 3.
[pbauer, jensens]

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Bug fixes:

- Fix tests to work with merges plone.login.
[jensens]

- More Python 2 / 3 compatibility.
[pbauer, hvelarde]

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Bug fixes:

- Add Python 2 / 3 compatibility
[pbauer]

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Bug fixes:

- Make sure the effects of the robotframework REMOTE_LIBRARY_ROBOT_TESTING fixture
are not accidentally removed when tearing down the PLONE_APP_DISCUSSION_ROBOT_TESTING fixture.
[davisagli]

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Bug fixes:

- Show email in moderation view [ksuess]

- Remove plone.app.robotframework extras (reload and ride).
They are not needed and they are not Python 3 compatible.
[gforcada]

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New features:

- Validate that author_email values are emails.
[ksuess]