use 32 bit arch for simulator target UISpec
use 32 bit arch for simulator target UISpec

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