2010-05-12  Marek Habersack  <mhabersack@novell.com>

	* ValidationException.cs: partially implemented

	* ValidationAttribute.cs: implemented

	* RequiredAttribute.cs: implemented. Fixes bug #604100

	* AssociationAttribute.cs, ConcurrencyCheckAttribute.cs,
	CustomValidationAttribute.cs, EditableAttribute.cs,
	EnumDataTypeAttribute.cs, IValidatableObject.cs,
	ValidationContext.cs, ValidationResult.cs: added

2009-09-15  Marek Habersack  <mhabersack@novell.com>

	* DataTypeAttribute.cs: implemented GetDataTypeName

2009-06-23  Marek Habersack  <mhabersack@novell.com>

	* ValidationAttribute.cs: error message must not ever be empty.

	* UIHintAttribute.cs: do not throw NIEX from the constructor.

	* DataTypeAttribute.cs: implemented correct DisplayFormat
	intialization for DataType.Time.

	* AssociatedMetadataTypeTypeDescriptor.cs: implemented retrieving
	attributes of the associated metadata type, as well as merging of
	attribute collections between metadata and main type properties.

	* AssociatedMetadataTypePropertyDescriptor.cs: added. Helper class
	which merges attributes from the metadata type (if any) with those
	associated with property from the "main" type.

2009-04-23  Marek Habersack  <mhabersack@novell.com>

	* AssociatedMetadataTypeTypeDescriptor.cs: added - doesn't add any
	real functionality yet.

	* AssociatedMetadataTypeTypeDescriptionProvider.cs: implemented
	all the methods.

2008-10-14  Atsushi Enomoto  <atsushi@ximian.com>

	* AssociatedMetadataTypeTypeDescriptionProvider.cs
	  DataType.cs
	  DataTypeAttribute.cs
	  DisplayColumnAttribute.cs
	  DisplayFormatAttribute.cs
	  MetadataTypeAttribute.cs
	  RangeAttribute.cs
	  RegularExpressionAttribute.cs
	  RequiredAttribute.cs
	  ScaffoldColumnAttribute.cs
	  ScaffoldTableAttribute.cs
	  StringLengthAttribute.cs
	  UIHintAttribute.cs
	  ValidationAttribute.cs
	  ValidationException.cs: initial checkin. mostly stubs.