unity wp8
Merge branch 'unity-wp8'

Conflicts:
	unity_plugin/unity_src/Assets/OpenIAB-demo/OpenIABTest.cs
	unity_plugin/unity_src/Assets/Plugins/OpenIAB/Inventory.cs
	unity_plugin/unity_src/Assets/Plugins/OpenIAB/OpenIABEventManager.cs
	unity_plugin/unity_src/Assets/Plugins/OpenIAB/Purchase.cs
	unity_plugin/unity_src/Assets/Plugins/OpenIAB/iOS/OpenIAB_iOS.cs
	unity_plugin/unity_src/Assets/Plugins/OpenIAB/iOS/StoreKitProduct.cs

Removed test scene