Fluent-validation

Introduce MessageFormatterFactory
Additional language translations
Additional checks to ensure HttpContext is registered

Updated AspNetCore integration to support IValidatableObject
Updated AspNetCore integration to allow mixing multiple validation strategies in the same model
Updated AspNetCore integration to work with RulesetForClientsideMessagesAttribute, like MVC5
Resolved issue with auto generating property names for nested types in the CustomValidator when using AddFailure
Resolved issue where Custom sync/async invocation caused a NullReferenceException
Resolved an issue with AspNetCore clientside integration being resolved from the root-level service provider
Allow string.Empty in OverridePropertyName

Resolved issue where incorrect property name was generated when using RuleForEach combined with SetValidator
Resolved an issue where nesting async validators inside DependentRules didn't wait for completion

Merged pull request - improved messages in ShouldHaveChildValidator test extension
Merged pull request - test helper works with nested properties
Added additional overload of WithState that accepts a property value
Fixed StringLengthFluentValidationPropertyValidator generating the wrong comparison values when used in conjunction with the MaxLengthValidator and MinLengthValidator
*Breaking change* Signature change of PropertyValidator.CustomStateProvider
Add new RuleFor().Custom validator method as a replacement of the root-level Custom method
AssemblyScanner now excludes abstract and generic types.
Resolve issue with InvalidCastException when using lazy WithMessage with RuleForEach

Added missing overload for WithMessage
Ensure LanguageManager.Culture takes precedence over the current thread's culture

Various fixes to clientside validation in asp.net core