[TouchRunner] do not use FinallyDelegate in Runner, because it requir…

…es remoting API to be available (#49)

NUnitLite/TouchRunner/TouchRunner.cs

@@ -445,7 +445,7 @@ public TestResult Run (Test test)
 			TestExecutionContext current = TestExecutionContext.CurrentContext;
 			current.WorkDirectory = Environment.CurrentDirectory;
 			current.Listener = this;
-			WorkItem wi = test.CreateWorkItem (filter, new FinallyDelegate ());
+			WorkItem wi = test.CreateWorkItem (filter, null);
 			wi.Execute (current);
 			Result = wi.Result;
 			return Result;