Updated the README to remove support for iOS 7.
Updated the README to remove support for iOS 7.

Noobish1/Alamofire,cesar-oyarzun-m/Alamofire,sarunw/Alamofire,leelili/Alamofire,SampleLiao/Alamofire,rain1988/Alamofire,lclamotte/Alamofire,foxkillerli/Alamofire,Holmusk/Alamofire,st3fan/Alamofire,Holmusk/Alamofire,youweit/Alamofire,Vkt0r/Alamofire,muukii/Alamofire,dandalf/Alamofire,jmkr/Alamofire,red3/Alamofire,davepatterson/Alamofire,muukii/Alamofire,iosheadhunter/Alamofire,ThornTechPublic/Alamofire,cesar-oyarzun-m/Alamofire,davepatterson/Alamofire,easyui/Alamofire,chokett/Alamofire,meteochu/Alamofire,ThornTechPublic/Alamofire,revdotcom/Alamofire,richardPFisk/Alamofire,agustindc-rga/Alamofire,BNakum/Alamofire,foxkillerli/Alamofire,dgdosen/Alamofire,AnthonyMDev/Alamofire,suxinde2009/Alamofire,brandenr/Alamofire,christophercotton/Alamofire,tonyli508/AlamofireDomain,Noobish1/Alamofire,leelili/Alamofire,imjerrybao/Alamofire,st3fan/Alamofire,Holmusk/Alamofire,petereddy/Alamofire,yaoxiaoyong/Alamofire,christophercotton/Alamofire,chokett/Alamofire,youweit/Alamofire,twobitlabs/Alamofire,zuthan/Alamofire,Farteen/Alamofire,meteochu/Alamofire,zuthan/Alamofire,hazytint/Alamofire,Paul-van-Klaveren/Alamofire,tokorom/Alamofire,cmpt275group9/Alamofire,liuchungui/Alamofire,DreamHill/Alamofire,sarunw/Alamofire,alex-learn/Alamofire,sai43/Alamofire,Screon/Alamofire,Swiftosis/Alamofire,Staance/Alamofire,cmpt275group9/Alamofire,petereddy/Alamofire,robskillington/Alamofire,yaoxiaoyong/Alamofire,red3/Alamofire,yjkim/Alamofire,antigp/Alamofire,john-langley/Alamofire,easyui/Alamofire,mbhuta/Alamofire,guipanizzon/Alamofire,kiancheong/Alamofire,tonyli508/AlamofireDomain,jmkr/Alamofire,bscarano/Alamofire,trauzti/Alamofire,dawangjiaowolaixunshan/Alamofire,libiao88/Alamofire,bnadim/Alamofire,neugartf/Alamofire,ernestopino/Alamofire,lumenlunae/Alamofire,Swiftosis/Alamofire,hazytint/Alamofire,irealme/Alamofire,i-miss-you/Alamofire,lclamotte/Alamofire,BNakum/Alamofire,kiancheong/Alamofire,brandenr/Alamofire,yimajo/Alamofire,Vkt0r/Alamofire,Koalappp/Alamofire,Farteen/Alamofire,iosheadhunter/Alamofire,imjerrybao/Alamofire,thebugcode/Alamofire,alex-learn/Alamofire,agustindc-rga/Alamofire,sai43/Alamofire,RyanCodes/Alamofire,androidrivne/Alamofire,gauravds/Alamofire,bnadim/Alamofire,SampleLiao/Alamofire,AnthonyMDev/Alamofire,androidrivne/Alamofire,ikesyo/Alamofire,dgdosen/Alamofire,MaWenxing/Alamofire,ernestopino/Alamofire,kevin-zqw/Alamofire,neugartf/Alamofire,DreamHill/Alamofire,revdotcom/Alamofire,thebugcode/Alamofire,ikesyo/Alamofire,followwind007/Alamofire,MaWenxing/Alamofire,mbhuta/Alamofire,rafaelvg/Alamofire,Alamofire/Alamofire,suxinde2009/Alamofire,kevin-zqw/Alamofire,mcgrady20150318/Alamofire,alvincrisuy/Alamofire,lumenlunae/Alamofire,robskillington/Alamofire,twobitlabs/Alamofire,Screon/Alamofire,followwind007/Alamofire,Karumi/Alamofire-Result,LionHeart123/Alamofire,tokorom/Alamofire,i-miss-you/Alamofire,RyanCodes/Alamofire,irealme/Alamofire,john-langley/Alamofire,Baza207/Alamofire,PhilJay/Alamofire,Karumi/Alamofire-Result,Koalappp/Alamofire,Staance/Alamofire,LionHeart123/Alamofire,guipanizzon/Alamofire,liuchungui/Alamofire,yjkim/Alamofire,yujiaao/Alamofire,antigp/Alamofire,PhuocLinh/Alamofire,Baza207/Alamofire,rjsamson/Alamofire,yujiaao/Alamofire,DouKing/Alamofire,trauzti/Alamofire,nickygerritsen/Alamofire,PhuocLinh/Alamofire,rain1988/Alamofire,jschmid/Alamofire,Lomotif/Alamofire,dawangjiaowolaixunshan/Alamofire,Alamofire/Alamofire,yimajo/Alamofire,nickygerritsen/Alamofire,richardPFisk/Alamofire,Paul-van-Klaveren/Alamofire,rafaelvg/Alamofire,libiao88/Alamofire,alvincrisuy/Alamofire,dandalf/Alamofire,DouKing/Alamofire,PhilJay/Alamofire,Lomotif/Alamofire,bscarano/Alamofire,gauravds/Alamofire,rjsamson/Alamofire,mcgrady20150318/Alamofire,jschmid/Alamofire