Get rid of some unnecessary null checks in RegionApplicationBase.StartupSpecific() - a constructor can never return null.

Also adds some method doc to MainServer

OpenSim/Framework/Servers/MainServer.cs

@@ -47,20 +47,43 @@ namespace OpenSim.Framework.Servers
             set { instance = value; }
         }
 
-        public static IHttpServer GetHttpServer(uint port)
+        /// <summary>
-        {
+        /// Add an already started HTTP server to the collection of known servers.
-            return GetHttpServer(port,null);
+        /// </summary>
-        }
+        /// <param name='server'></param>
-
         public static void AddHttpServer(BaseHttpServer server)
         {
             m_Servers.Add(server.Port, server);
         }
 
+        /// <summary>
+        /// Get the default http server or an http server for a specific port.
+        /// </summary>
+        /// <remarks>
+        /// If the requested HTTP server doesn't already exist then a new one is instantiated and started.
+        /// </remarks>
+        /// <returns></returns>
+        /// <param name='port'>If 0 then the default HTTP server is returned.</param>
+        public static IHttpServer GetHttpServer(uint port)
+        {
+            return GetHttpServer(port, null);
+        }
+
+        /// <summary>
+        /// Get the default http server, an http server for a specific port
+        /// and/or an http server bound to a specific address
+        /// </summary>
+        /// <remarks>
+        /// If the requested HTTP server doesn't already exist then a new one is instantiated and started.
+        /// </remarks>
+        /// <returns></returns>
+        /// <param name='port'>If 0 then the default HTTP server is returned.</param>
+        /// <param name='ipaddr'>A specific IP address to bind to.  If null then the default IP address is used.</param>
         public static IHttpServer GetHttpServer(uint port, IPAddress ipaddr)
         {
             if (port == 0)
                 return Instance;
+            
             if (instance != null && port == Instance.Port)
                 return Instance;
 

OpenSim/Region/ClientStack/RegionApplicationBase.cs

@@ -99,18 +99,14 @@ namespace OpenSim.Region.ClientStack
             // "OOB" Server
             if (m_networkServersInfo.ssl_listener)
             {
-                BaseHttpServer server = null;
+                BaseHttpServer server = new BaseHttpServer(
-                server = new BaseHttpServer(
                     m_networkServersInfo.https_port, m_networkServersInfo.ssl_listener, m_networkServersInfo.cert_path,
                     m_networkServersInfo.cert_pass);
-                // Add the server to m_Servers
+
-                if(server != null)
-                {
                 m_log.InfoFormat("[REGION SERVER]: Starting HTTPS server on port {0}", server.Port);
                 MainServer.AddHttpServer(server);
                 server.Start();
             }
-            }
             
             base.StartupSpecific();
         }