Add a XMLRPC method to remotely set the login level for the LLLoginService.

This requires a special XMLRPC call, which has to supply the credentials of
a god user (User level >= 200). Disabled by default. Also Adds a configuration
option to set the initial permitted login level.

OpenSim/Services/Interfaces/ILoginService.cs

@@ -48,6 +48,7 @@ namespace OpenSim.Services.Interfaces
     public interface ILoginService
     {
         LoginResponse Login(string firstName, string lastName, string passwd, string startLocation, UUID scopeID, IPEndPoint clientIP);
+        Hashtable SetLevel(string firstName, string lastName, string passwd, int level, IPEndPoint clientIP);
     }