Tidy up UIKit build settings by enabling 64 bit architectures at the project root
Tidy up UIKit build settings by enabling 64 bit architectures at the project root

idoru/PivotalCoreKit,pivotaltracker/PivotalCoreKit,joemasilotti/PivotalCoreKit,mjstallard/PivotalCoreKit,pivotal/PivotalCoreKit,jfuchs/PivotalCoreKit,jfuchs/PivotalCoreKit,briancroom/PivotalCoreKit,idoru/PivotalCoreKit,gudatcomputers/PivotalCoreKit,gudatcomputers/PivotalCoreKit,joemasilotti/PivotalCoreKit