Add command to make sure xctool is up to date in circle.yml
Add command to make sure xctool is up to date in circle.yml

dgdosen/Quick,DanielAsher/Quick,Quick/Quick,dgdosen/Quick,ikesyo/Quick,paulyoung/Quick,paulyoung/Quick,ikesyo/Quick,marciok/Quick,jasonchaffee/Quick,phatblat/Quick,ashfurrow/Quick,mokagio/Quick,phatblat/Quick,Quick/Quick,phatblat/Quick,marciok/Quick,Quick/Quick,DanielAsher/Quick,jasonchaffee/Quick,phatblat/Quick,ashfurrow/Quick,jeffh/Quick,paulyoung/Quick,jeffh/Quick,dgdosen/Quick,jeffh/Quick,mokagio/Quick,ikesyo/Quick,mokagio/Quick,Quick/Quick,marciok/Quick,jasonchaffee/Quick