Ensures that domains assigned to non-published nodes are filtered when routing, ensures caches are cleared when content is deleted or langauges are changed, updates logic for dealing with null invariant content names, adds more validation for saving cultre variants.

src/Umbraco.Core/Models/ContentBase.cs

@@ -55,8 +55,6 @@ namespace Umbraco.Core.Models
             Id = 0; // no identity
             VersionId = 0; // no versions
 
-            //fixme we always need to set the invariant name else an exception will throw if we try to persist
-            Name = name;
             SetName(culture, name);
 
             _contentTypeId = contentType.Id;