Added class for "long commands" (command that returns as event) with dedicated thread for processing. Added support for llSetTimerEvent(). Deleting old compiled scripts before new compile is attempted (avoids loading wrong script on compile error).

OpenSim/Region/ScriptEngine/DotNetEngine/ScriptEngine.cs

@@ -48,6 +48,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
         internal EventQueueManager myEventQueueManager;         // Executes events
         internal ScriptManager myScriptManager;                 // Load, unload and execute scripts
         internal AppDomainManager myAppDomainManager;
+        internal LSLLongCmdHandler myLSLLongCmdHandler;
 
         private OpenSim.Framework.Console.LogBase m_log;
 
@@ -77,6 +78,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine
             myEventManager = new EventManager(this);
             myScriptManager = new ScriptManager(this);
             myAppDomainManager = new AppDomainManager();
+            myLSLLongCmdHandler = new LSLLongCmdHandler(this);
 
             // Should we iterate the region for scripts that needs starting?
             // Or can we assume we are loaded before anything else so we can use proper events?