Support Xcode 5.1
Support Xcode 5.1

xqz001/XAlign,sujeking/XAlign,6357/XAlign,WQuanfeng/XAlign,hsharghi/XAlign,ArthurKK/XAlign,littledogboy/XAlign,chinazyq/XAlign,Judy-u/XAlign,YuHuanLi/XAlign,mjasa/XAlign,Kevin775263419/XAlign,BenLoomToys/XAlign,bre7/XAlign,wangliguang/XAlign,wuxsoft/XAlign,pdcgomes/XAlign,youweit/XAlign,Lt-Red/XAlign,wmfgithub/XAlign