globals module added with setTimeout implementation for both iOS and Android

globals/globals.ios.ts

@@ -0,0 +1,7 @@
+/**
+  * iOS specific global functions implementation.
+  */
+export function setTimeout(callback: Function, milliseconds: number): void {
+    var target = Foundation.NSObject.extends({ tick: function (timer) { callback(); } }, { exposedMethods: { "tick:": "v@:@" } });
+    Foundation.NSTimer.scheduledTimerWithTimeIntervalTargetSelectorUserInfoRepeats(milliseconds / 1000, new target(), "tick:", null, false);
+}