added some explanation of directory structure to the README
added some explanation of directory structure to the README

Also somehow not all the iPhone code got added to the repository in the previous commit

wesley1001/Kurogo-Mobile-Web,modolabs/Kurogo-Mobile-Web,wesley1001/Kurogo-Mobile-Web,modolabs/Kurogo-Mobile-Web,modolabs/Kurogo-Mobile-Web,wesley1001/Kurogo-Mobile-Web