Restrict forum (groups) to specific customer roles

<a href="http://community.smartstore.com/index.php?/topic/46069-forums-and-roles/" rel="nofollow">http://community.smartstore.com/index.php?/topic/46069-forums-and-roles/</a>

> Migrated from CodePlex: [Issue #415](https://smartstore.codeplex.com/workitem/415) from [muratcakir](https://www.codeplex.com/site/users/view/muratcakir), on 7/17/2014 5:33:52 PM
