added definitions for exit

exit/exit-tests.ts

@@ -0,0 +1,5 @@
+/// <reference path="exit.d.ts" />
+
+import exit = require('exit');
+
+exit(42);

exit/exit.d.ts

@@ -0,0 +1,9 @@
+// Type definitions for exit 0.1.2
+// Project: https://github.com/cowboy/node-exit
+// Definitions by: Bart van der Schoor <https://github.com/Bartvds>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare module 'exit' {
+	function exit(code: number): void;
+	export = exit;
+}