Backports the permissions repo updates, permissions on user/content repo updates and default permissions for users

src/Umbraco.Core/Models/Membership/EntityPermission.cs

@@ -0,0 +1,24 @@
+namespace Umbraco.Core.Models.Membership
+{
+    /// <summary>
+    /// Represents a user -> entity permission
+    /// </summary>
+    public class EntityPermission
+    {
+        public EntityPermission(object userId, int entityId, string[] assignedPermissions)
+        {
+            UserId = userId;
+            EntityId = entityId;
+            AssignedPermissions = assignedPermissions;
+        }
+
+        public object UserId { get; private set; }
+        public int EntityId { get; private set; }
+
+        /// <summary>
+        /// The assigned permissions for the user/entity combo
+        /// </summary>
+        public string[] AssignedPermissions { get; private set; }
+    }
+
+}