Added live tiles code for WP8.
Added live tiles code for WP8.

Kezeali/MarkerMetro.Unity.WinShared,hungweng/MarkerMetro.Unity.WinShared,cedw032/MarkerMetro.Unity.WinShared,hungweng/MarkerMetro.Unity.WinShared,MarkerMetro/MarkerMetro.Unity.WinShared