Moved event stuff to a non-manager NS.

Core assembly concept: Assemblies that will never need to get unloaded (Torch.API, Torch, Torch.Server)
Event shims and patch shims on the core assemblies.

Torch.API/Event/EventHandlerAttribute.cs

@@ -1,6 +1,6 @@
 using System;
 
-namespace Torch.API.Managers.Event
+namespace Torch.API.Event
 {
     /// <summary>
     /// Attribute indicating that a method should be invoked when the event occurs.

Torch.API/Event/IEvent.cs

@@ -1,4 +1,4 @@
-namespace Torch.API.Managers.Event
+namespace Torch.API.Event
 {
     public interface IEvent
     {

Torch.API/Event/IEventHandler.cs

@@ -1,4 +1,4 @@
-namespace Torch.API.Managers.Event
+namespace Torch.API.Event
 {
     /// <summary>
     /// Interface used to tag an event handler.  This does <b>not</b> register it with the event manager.

Torch.API/Event/IEventManager.cs

@@ -1,6 +1,6 @@
 using System.Runtime.CompilerServices;
 
-namespace Torch.API.Managers.Event
+namespace Torch.API.Event
 {
     /// <summary>
     /// Manager class responsible for registration of event handlers.