Moving property editors to Abstractions project

src/Umbraco.Abstractions/PropertyEditors/MarkdownConfiguration.cs

@@ -13,4 +13,4 @@ namespace Umbraco.Web.PropertyEditors
         [ConfigurationField("defaultValue", "Default value", "textarea", Description = "If value is blank, the editor will show this")]
         public string DefaultValue { get; set; }
     }
-}
+}

src/Umbraco.Abstractions/PropertyEditors/Validators/DateTimeValidator.cs

@@ -9,7 +9,7 @@ namespace Umbraco.Web.PropertyEditors
     /// <summary>
     /// Used to validate if the value is a valid date/time
     /// </summary>
-    internal class DateTimeValidator : IValueValidator
+    public class DateTimeValidator : IValueValidator
     {
         public IEnumerable<ValidationResult> Validate(object value, string valueType, object dataTypeConfiguration)
         {