#812 Pages list: when filtering by SEO, not including deleted sitemaps
#990 Showing master page in page properties, when master page is inaccessible for current user
#990 When editing entity, doesn't checking untouched entity's security level
#992 Fixed user role migration script
#991 When creating a blog post, access rights are copied from the parent master page
#1011 Fixed caching of secured object with access rules list
#1009 Added limitations of service stack version < 4