- ad.module

    o feature #233568: add support for per-ad-type default permissions
 - ad.install
    o feature #233568: flush menu cache to support per-ad-type default perms
 - ad_image.module
    o feature #233568: new settings page format for per-ad-type permissions
 - ad_text.module
    o feature #233568: new settings page format for per-ad-type permissions