iOS app发布流程
http://www.xuebuyuan.com/1980497.html
http://blog.csdn.net/alincexiaohao/article/details/38725367
app icon
https://developer.apple.com/library/ios/qa/qa1686/_index.html
常见问题 http://www.tuicool.com/articles/qieayy
申请流程 http://blog.csdn.net/jaychlas/article/details/7726663