* InputCircle.cs: An input control specialized for circle selection

* UserCard.cs: Displays user informations on a little div

* Estim.cs:
* WebControls.csproj:
* CircleInfo.cs:
* CircleProvider.cs:
* CircleApiController.cs:
* BasketApiController.cs:
* ITContentProvider.csproj:
* CalendarApiController.cs:
* WorkFlowApiController.cs:
* NpgsqlCircleProvider.cs:
* FrontOfficeApiController.cs:

* InputUserName.cs: Fixes the ToolBoxData attribute

* Web.csproj:
* Circle.cs: refactoring

* instdbws.sql: Foreign keys are cascading updates and deletions

* Estim.tt:
* Profile.cs: User's profile does not contain anymore the main e-mail
  address, it conflicts with registration informations, it is not part
  of the profile data

yavscModel/Circles/Circle.cs

@@ -23,7 +23,6 @@ using System.Collections.Generic;
 
 namespace Yavsc.Model.Circles
 {
-	
 	/// <summary>
 	/// Circle.
 	/// </summary>
@@ -40,11 +39,17 @@ namespace Yavsc.Model.Circles
 		/// <value>The title.</value>
 		public string Title { get; set; }
 
+		/// <summary>
+		/// Gets or sets the owner.
+		/// </summary>
+		/// <value>The owner.</value>
+		public string Owner { get; set; } 
+
 		/// <summary>
 		/// Gets or sets the users.
 		/// </summary>
 		/// <value>The users.</value>
-		public string [] Users { get; set; }
+		public string [] Members { get; set; }
 
 		/// <summary>
 		/// Union the specified that.
@@ -54,7 +59,7 @@ namespace Yavsc.Model.Circles
 		{
 			List<string> content = new List<string>();
 			foreach (Circle c in those) {
-				foreach (string user_name in c.Users) {
+				foreach (string user_name in c.Members) {
 					if (!content.Contains (user_name))
 						content.Add (user_name);
 				}

yavscModel/Circles/CircleInfo.cs

@@ -30,13 +30,19 @@ namespace Yavsc.Model.Circles
 	/// </summary>
 	public class CircleInfo
 	{
-		long Id { get; set; }
-		string Title { get; set; }
-		CircleInfo(Circle c)
+		public long Id { get; set; }
+		public string Title { get; set; }
+		public CircleInfo(Circle c)
 		{
 			Id = c.Id;
 			Title = c.Title;
 		}
+		public CircleInfo(long id, string title)
+		{
+			Id = id;
+			Title = title;
+		}
+
 	}
 
 }

yavscModel/Circles/CircleProvider.cs

@@ -39,27 +39,38 @@ namespace Yavsc.Model.Circles
 		/// <param name="owner">Owner.</param>
 		/// <param name="title">Title.</param>
 		/// <param name="users">Users.</param>
-		public abstract void Add(string owner, string title, string [] users);
+		public abstract long Create(string owner, string title, string [] users);
 
 		/// <summary>
-		/// Delete the specified owner and title.
+		/// Add the specified user.
 		/// </summary>
-		/// <param name="owner">Owner.</param>
-		/// <param name="title">Title.</param>
-		public abstract void Delete(string owner, string title) ;
+		/// <param name="id">circle Identifier.</param>
+		/// <param name="username">User name.</param>
+		public abstract void Add(long id, string username);
 
 		/// <summary>
-		/// Get the specified owner and title.
+		/// Remove the specified user.
 		/// </summary>
-		/// <param name="owner">Owner.</param>
-		/// <param name="title">Title.</param>
-		public abstract Circle Get(string owner, string title);
+		/// <param name="id">circle Identifier.</param>
+		/// <param name="username">User name.</param>
+		public abstract void Remove(long id, string username);
 
+		/// <summary>
+		/// Delete the specified id.
+		/// </summary>
+		/// <param name="id">Identifier.</param>
+		public abstract void Delete(long id) ;
+
+		/// <summary>
+		/// Get the specified id.
+		/// </summary>
+		/// <param name="id">Identifier.</param>
+		public abstract Circle Get(long id);
 
 		/// <summary>
 		/// List this instance.
 		/// </summary>
-		public abstract CircleInfoCollection List();
+		public abstract CircleInfoCollection List(string user);
 
 	}