added node-cron

Author: bonnici

Diff for: cron.d.ts

@@ -0,0 +1,11 @@
+module "cron" {
+    class CronJob {
+        constructor (cronTime: string, onTick: () => any, onComplete?: () => any,
+            start?: bool, timezone?: string, context?: any);
+        constructor (cronTime: Date, onTick: () => any, onComplete?: () => any,
+            start?: bool, timezone?: string, context?: any);
+
+        start();
+        stop();
+    }
+}