Added XCode4 cruft to gitignore
Added XCode4 cruft to gitignore

sosolimited/Cinder,sosolimited/Cinder,2666hz/Cinder,sosolimited/Cinder,morbozoo/sonyHeadphones,sosolimited/Cinder,2666hz/Cinder,2666hz/Cinder,2666hz/Cinder,morbozoo/sonyHeadphones,morbozoo/sonyHeadphones,morbozoo/sonyHeadphones