Moved extension classes to seperate files as Jimmacle requires.

Torch.API/Managers/IDependencyProvider.cs

@@ -15,18 +15,4 @@ namespace Torch.API.Managers
         /// <returns>manager, or null if none exists</returns>
         IManager GetManager(Type type);
     }
-
-    public static class DependencyProviderExtensions
-    {
-        /// <summary>
-        /// Gets the manager that provides the given type.  If there is no such manager, returns null.
-        /// </summary>
-        /// <typeparam name="T">Type of manager</typeparam>
-        /// <returns>manager, or null if none exists</returns>
-        public static T GetManager<T>(this IDependencyProvider depProvider) where T : class, IManager
-        {
-            return (T)depProvider.GetManager(typeof(T));
-        }
-    }
-
 }