Merge iOS branch

Conflicts:
	Assets/OpenIAB-demo/OpenIAB-demo.unity
	Assets/OpenIAB-demo/OpenIAB-demo.unity.meta
	Assets/Plugins/Android/AndroidManifest.xml
	Assets/Plugins/Android/OpenIAB-plugin.jar
	Assets/Plugins/Android/OpenIAB-plugin.jar.meta
	Assets/Plugins/Android/iap_plugin-dev-13.0.0.jar.meta
	Assets/Plugins/Android/in-app-purchasing-1.0.3.jar.meta
	Assets/Plugins/Android/libUSToolkit.so.meta
	Assets/Plugins/Android/libdodo.so.meta
	Assets/Plugins/OpenIAB/Prefabs/OpenIABEventManager.prefab
	Assets/Plugins/iOS/IAPCWrapper.mm.meta