Added add2home (Add To home Screen) for iPhone and iPad users.

add2home/add2home-tests.ts

@@ -0,0 +1,5 @@
+/// <reference path="add2home.d.ts" />
+
+addToHome.show(false);
+addToHome.close();
+addToHome.reset();

add2home/add2home.d.ts

@@ -0,0 +1,15 @@
+// Type definitions for add2home v2.0.5
+// Project: http://cubiq.org/add-to-home-screen
+// Definitions by: James Wilkins <http://www.codeplex.com/site/users/view/jamesnw>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare var addToHome: {
+    /** Shows the popup.
+    * @param {boolean} overrideChecks Override all the compatibility checks and always show the popup.
+    */
+    show: (overrideChecks: boolean) => void;
+    /** Closes the popup. */
+    close: () => void;
+    /** Reset the local and session storages so the popup will show again (for automatic mode - has no affect if manually opening the popup). */
+    reset: () => void;
+};