Fix XBakes simulator-side authentication regression failure

Unlike the other connectors, XBakes uses a service auth retrieved from ServiceAuth.Create() and not code inherited from BaseServiceConnector.
Fixes regression from 7d3bafd5 (Wed 4 Mar 2015) where the new CompoundAuthenticator did not implement IServiceAuth.AddAuthorization()

OpenSim/Framework/ServiceAuth/BasicHttpAuthentication.cs

@@ -40,6 +40,8 @@ namespace OpenSim.Framework.ServiceAuth
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        public string Name { get { return "BasicHttp"; } }
+
         private string m_Username, m_Password;
         private string m_CredentialsB64;
 

OpenSim/Framework/ServiceAuth/CompoundAuthentication.cs

@@ -35,10 +35,17 @@ namespace OpenSim.Framework.ServiceAuth
 {
     public class CompoundAuthentication : IServiceAuth
     {
+        public string Name { get { return "Compound"; } }
+
         private List<IServiceAuth> m_authentications = new List<IServiceAuth>();
 
         public int Count { get { return m_authentications.Count; } }
 
+        public List<IServiceAuth> GetAuthentors()
+        {
+            return new List<IServiceAuth>(m_authentications);
+        }
+
         public void AddAuthenticator(IServiceAuth auth)
         {
             m_authentications.Add(auth);
@@ -49,7 +56,11 @@ namespace OpenSim.Framework.ServiceAuth
             m_authentications.Remove(auth);
         }
 
-        public void AddAuthorization(NameValueCollection headers) {}
+        public void AddAuthorization(NameValueCollection headers) 
+        {
+            foreach (IServiceAuth auth in m_authentications)
+                auth.AddAuthorization(headers);
+        }
 
         public bool Authenticate(string data)
         {

OpenSim/Framework/ServiceAuth/DisallowLlHttpRequest.cs

@@ -33,6 +33,8 @@ namespace OpenSim.Framework.ServiceAuth
 {
     public class DisallowLlHttpRequest : IServiceAuth
     {
+        public string Name { get { return "DisallowllHTTPRequest"; } }
+
         public void AddAuthorization(NameValueCollection headers) {}
 
         public bool Authenticate(string data)

OpenSim/Framework/ServiceAuth/IServiceAuth.cs

@@ -34,8 +34,13 @@ namespace OpenSim.Framework.ServiceAuth
 {
     public delegate void AddHeaderDelegate(string key, string value);
 
-    public interface  IServiceAuth
+    public interface IServiceAuth
     {
+        /// <summary>
+        /// Name of this authenticator.
+        /// </summary>
+        string Name { get; }
+
         bool Authenticate(string data);
         bool Authenticate(NameValueCollection headers, AddHeaderDelegate d, out HttpStatusCode statusCode);
         void AddAuthorization(NameValueCollection headers);

OpenSim/Framework/ServiceAuth/ServiceAuth.cs

@@ -27,13 +27,16 @@
 
 using System;
 using System.Collections.Generic;
-
+using System.Reflection;
+using log4net;
 using Nini.Config;
 
 namespace OpenSim.Framework.ServiceAuth
 {
     public class ServiceAuth
     {
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
         public static IServiceAuth Create(IConfigSource config, string section)
         {
             CompoundAuthentication compoundAuth = new CompoundAuthentication();
@@ -53,6 +56,9 @@ namespace OpenSim.Framework.ServiceAuth
                     break;
             }
 
+//            foreach (IServiceAuth auth in compoundAuth.GetAuthentors())
+//                m_log.DebugFormat("[SERVICE AUTH]: Configured authenticator {0}", auth.Name);
+
             if (compoundAuth.Count > 0)
                 return compoundAuth;
             else