Revert to using xctool — xcodebuild crashes as well
Revert to using xctool — xcodebuild crashes as well

yiplee/MagicalRecord,pronebird/MagicalRecord,yiplee/MagicalRecord,pronebird/MagicalRecord,simoncoulton/MagicalRecord,simoncoulton/MagicalRecord,donvaughn/MagicalRecord,spex-app/MagicalRecord,donvaughn/MagicalRecord,spex-app/MagicalRecord,spex-app/MagicalRecord