* Updates RESTInterregionComms and LocalInterregionComms to the new region module interface. This fixes an issue where region references were being added but weren't being deleted,

causing those "unnotified circuit" messages.
* Also fixes tests accordingly

- Fixes Mantis #3452
- Fixes Mantis #3388
- Fixes Mantis #3871
- Related to Mantis #3493

OpenSim/Tests/Common/Setup/SceneSetupHelpers.cs

@@ -214,6 +214,7 @@ namespace OpenSim.Tests.Common.Setup
             foreach (IRegionModuleBase module in newModules)
             {
                 module.AddRegion(scene);
+                module.RegionLoaded(scene);
                 scene.AddRegionModule(module.Name, module);
             }