Update Carthage installation instructions in README
Update Carthage installation instructions in README

CoderJFCK/LocationManager,cloudjanak/LocationManager,felix-dumit/LocationManager,iwasrobbed/LocationManager,Cjoee/LocationManager,blmyself/LocationManager,ruslanskorb/LocationManager,intuit/LocationManager,wufei1423/LocationManager,MQTAN/LocationManager,evfemist/LocationManager,SampleLiao/LocationManager,lethanhclub/LocationManager,various/LocationManager,shnuzxw/LocationManager,gratefulHeart/LocationManager