Issue #1950806 by jpontani: wiki message type had the wrong field bundle settings variable data, updated the strongarm variable in the feature and provided a feature revert hook_update_N implementation that should reset the wiki message to the proper settings

Issue #1812582 by webchick, craig.norris, rosemeria,  kscheirer  : Add descriptions to all content types.

Issue #1924722: add update script to automagically revert the wiki panelizer pages to remove comments from the bottom.

Issue #1866488 by jpontani: switch username token so it uses render time value, not creation time value

Initial commit towards issue #1860344: Add content creation widget to 'all' tab of group browsing widget

by jpontani: update wiki feature to have own message type; wiki update sets user as a group contributor

Refactor Commons Wikis per #1782922: Simplify pattern for creating Commons-compatible group content type features

Issue #1787158 by jpontani: check if message module exists prior to creating a message entity on wiki update

Issue #1836914 by ezra-g: Fixed Commons modules should remove numeric keys from exports pertaining to user roles.