add changenote and classifiers

CHANGES.rst

@@ -1,7 +1,6 @@
 Changelog
 =========
 
-3.0.6 (unreleased)
 3.0.7 (unreleased)
 ------------------
 
@@ -23,18 +22,12 @@ Bug fixes:
   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]
 
 3.0.6 (2018-06-18)
 ------------------
 
-Breaking changes:
-
-- *add item here*
-
-New features:
-
-- *add item here*
-
 Bug fixes:
 
 - Fix tests to work with merges plone.login.

setup.py

@@ -37,9 +37,12 @@ setup(name='plone.app.discussion',
           'Framework :: Plone',
           'Framework :: Plone :: 5.0',
           'Framework :: Plone :: 5.1',
+          'Framework :: Plone :: 5.2',
           'License :: OSI Approved :: GNU General Public License (GPL)',
           'Programming Language :: Python',
           'Programming Language :: Python :: 2.7',
+          'Programming Language :: Python :: 3.6',
+          'Programming Language :: Python :: 3.7',
       ],
       keywords='plone discussion',
       author='Timo Stollenwerk - Plone Foundation',