v2.0.0

• Migrate Orchestra\Support from Orchestra Platform 1.2.
• Split service provider to Orchestra\Support\DecoratorServiceProvider and Orchestra\Support\MessagesServiceProvider.
• Orchestra\Support\Messages now use Session::put() instead of Session::flash().
• Add Orchestra\Support\Validator to manage validation using class.
• Add Orchestra\Support\Nesty from Orchestra\Widget so it can be reusable in any other component.
• Deprecate and remove Orchestra\Messages::shutdown() method, use Orchestra\Messages::save() instead.
• Move Orchestra\Support\Decorator to Orchestra\View\Decorator.
• Dreprecate and remove Orchestra\Messages::add() method as Illuminate\Support\MessageBag already allow chaining.
• Allow data bindings on Orchestra\Support\Validator.
• Add Orchestra\Support\Str::humanize() to convert slug to normal string.
• Remove all static properties from Orchestra\Support\Validator.