Make comments editable
provide "delete own comments" as a configurable option
Merge branch 'master' into edit-comments-squashed

Conflicts:
	CHANGES.rst
Add a test for Acquisition in comments.
added test acquisition chain for unwrapped object

Conflicts:
	plone/app/discussion/tests/test_acquisition.py
Fix total comments index
Add dev.delib-da.1 to version pin
Refactor acquisition tests to define the expected behaviour when dealing with wrapped and unwrapped comments.
Add tests to confirm that some methods of a conversation incorrectly use an unwrapped comment to determine whether anonymous users can view.
Fixing test failures.
Back out internal version number
Remove DL's from portal message in templates.
Remove DL's from portal message in templates.
added update translations script (flavor by saily)
added i8ndude and script to buildout in order to make translations updates simpler.
state last change
make flake8 happy
make flake8 happy
make flake8 happy
run of update translations. nothing really changed. anyway, no we're sure. next: missing translations (de)