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/IEventManager.cs

@@ -0,0 +1,27 @@
+using System.Runtime.CompilerServices;
+
+namespace Torch.API.Event
+{
+    /// <summary>
+    /// Manager class responsible for registration of event handlers.
+    /// </summary>
+    public interface IEventManager
+    {
+        /// <summary>
+        /// Registers all event handler methods contained in the given instance 
+        /// </summary>
+        /// <param name="handler">Instance to register</param>
+        /// <returns><b>true</b> if added, <b>false</b> otherwise</returns>
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        bool RegisterHandler(IEventHandler handler);
+
+
+        /// <summary>
+        /// Unregisters all event handler methods contained in the given instance 
+        /// </summary>
+        /// <param name="handler">Instance to unregister</param>
+        /// <returns><b>true</b> if removed, <b>false</b> otherwise</returns>
+        [MethodImpl(MethodImplOptions.NoInlining)]
+        bool UnregisterHandler(IEventHandler handler);
+    }
+}