The user change password dashboard now works and adheres to the membership provider rules.

src/Umbraco.Web/Models/ChangingPasswordModel.cs

@@ -0,0 +1,60 @@
+using System.ComponentModel.DataAnnotations;
+using System.Runtime.Serialization;
+
+namespace Umbraco.Web.Models
+{
+    /// <summary>
+    /// A model representing an attempt at changing a password
+    /// </summary>
+    public class PasswordChangedModel
+    {
+        /// <summary>
+        /// The error affiliated with the failing password changes, null if changing was successful
+        /// </summary>
+        public ValidationResult ChangeError { get; set; }
+
+        /// <summary>
+        /// If the password was reset, this is the value it has been changed to
+        /// </summary>
+        public string ResetPassword { get; set; }
+    }
+
+    /// <summary>
+    /// A model representing the data required to set a member/user password depending on the provider installed.
+    /// </summary>
+    public class ChangingPasswordModel
+    {
+        /// <summary>
+        /// The password value
+        /// </summary>
+        /// <remarks>
+        /// This 
+        /// </remarks>
+        [DataMember(Name = "newPassword")]
+        public string NewPassword { get; set; }
+
+        /// <summary>
+        /// The old password - used to change a password when: EnablePasswordRetrieval = false 
+        /// </summary>
+        [DataMember(Name = "oldPassword")]
+        public string OldPassword { get; set; }
+
+        /// <summary>
+        /// Set to true if the password is to be reset - only valid when: EnablePasswordReset = true
+        /// </summary>
+        [DataMember(Name = "reset")]
+        public bool? Reset { get; set; }
+
+        /// <summary>
+        /// The password answer - required for reset when: RequiresQuestionAndAnswer = true 
+        /// </summary>
+        [DataMember(Name = "answer")]
+        public string Answer { get; set; }
+
+        /// <summary>
+        /// This is filled in on the server side if the password has been reset/generated
+        /// </summary>
+        [DataMember(Name = "generatedPassword")]
+        public string GeneratedPassword { get; set; }
+    }
+}