Auto Layout和Size Class方面一些非常棒的文章和教程

iOS8 和 iPhone 6 适配资料：

• 原文：http://mathewsanders.com/designing-adaptive-layouts-for-iphone-6-plus/，译文：http://www.devtalking.com/articles/adaptive-layout-for-iphone6-1/，http://www.cocoachina.com/ios/20141020/9978.html，纯代码的实现：http://chun.tips/blog/2014/10/27/wei-iphone6she-ji-zi-gua-ying-bu-ju-(chun-dai-ma-shi-xian-)/
• http://onevcat.com/2014/07/ios-ui-unique/；
• http://onevcat.com/2013/12/code-vs-xib-vs-storyboard/
• http://blog.callmewhy.com/2014/09/12/learn-ios8-size-class/
• http://daily.zhihu.com/story/4252195；淘宝内部的兼容大屏幕iPhone设计流程，非常值得参考
• http://www.cocoachina.com/ios/20140922/9717.html
• http://www.cocoachina.com/ios/20150108/10864.html
• http://www.cocoachina.com/ios/20140912/9601.html
• http://www.objc.io/issue-3/advanced-auto-layout-toolbox.html
• https://medium.com/@NSomar/auto-layout-best-practices-for-minimum-pain-c130b2b1a0f6
• http://www.raywenderlich.com/50317/beginning-auto-layout-tutorial-in-ios-7-part-1，http://www.raywenderlich.com/50319/beginning-auto-layout-tutorial-in-ios-7-part-2
• https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/AutolayoutPG/AutoLayoutbyExample/AutoLayoutbyExample.html
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