Updates the formHelper and streamlines the way form submission is handled, updates the member and user controller to use the new change password functionality in the Security object which uses all of the correct logic to update a password based on the membership provider. Gets the user's change password form working correctly with server validation. now just need to get the user membership provider to actually work.

src/Umbraco.Web/Models/ContentEditing/ChangingPasswordModel.cs

@@ -0,0 +1,60 @@
+using System.ComponentModel.DataAnnotations;
+using System.Runtime.Serialization;
+
+namespace Umbraco.Web.Models.ContentEditing
+{
+    /// <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; }
+    }
+}