Add the Garden.Community.Manage permission.
Change some endpoints to the Garden.Settings.View permission and move the banner editing functionality to Garden.Community.Manage.
Move banning from moderators to community managers.
Allow vanilla stats to be viewed by community managers.
Move category management from administrators to community managers.

The ability to disable categories altogether should remain with administrators.
Move site-wide message editing from the Garden.Messages.Manage to the Garden.Community.Manage permission.
Add css classes to individual dashboard links.

This commit maybe shouldn’t be part of this PR, but the business requirement is linked to the feature and I got a little overzealous.
Merge pull request #2305 from vanilla/feature/community-manager-permissions

Add a community manager permission