Adding new string-parameter: "region_max_prims" for llGetEnv(string name);

Signed-off-by: Mandarinka Tasty <mandarinka.tasty@gmail.com>
Signed-off-by: UbitUmarov <ajlduarte@sapo.pt>

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -6303,6 +6303,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 IUrlModule UrlModule = World.RequestModuleInterface<IUrlModule>();
                 return UrlModule.ExternalHostNameForLSL;
             }
+            else if (name == "region_max_prims")
+            {
+                return World.RegionInfo.ObjectCapacity.ToString();
+            }
             else
             {
                 return "";