fix for ios7 UIAlertView showing below SIAlert
fix for ios7 UIAlertView showing below SIAlert

Suninus/SIAlertView,theill/SIAlertView,kennygunie/SIAlertView,AlexanderMazaletskiy/SIAlertView,bfeher/SIAlertView,angu/SIAlertView,peatiscoding/SIAlertView,GhostClock/SIAlertView,afehners/SIAlertView,Appsido/SIAlertView,mrdaios/SIAlertView,cnbin/SIAlertView,OnTheWay1988/SIAlertView,q231950/SIAlertView,NikolayShubenkovProgSchool/SIAlertView,reekris/SIAlertView,hejunbinlan/SIAlertView,zfpan1981/SIAlertView,Sumi-Interactive/SIAlertView,siburb/SIAlertView,munchios1/SIAlertView,shenyuan000/SIAlertView,tattn/SIAlertView,jabarier/SIAlertView,Gwion101/SIAlertView,iFallen/SIAlertView