adding some info about common errors.
adding some info about common errors.

crashlytics/ios-driver,darraghgrace/ios-driver,masbog/ios-driver,darraghgrace/ios-driver,ios-driver/ios-driver,azaytsev/ios-driver,darraghgrace/ios-driver,crashlytics/ios-driver,shutkou/ios-driver,darraghgrace/ios-driver,azaytsev/ios-driver,seem-sky/ios-driver,ios-driver/ios-driver,shutkou/ios-driver,ios-driver/ios-driver,crashlytics/ios-driver,adataylor/ios-driver,masbog/ios-driver,adataylor/ios-driver,masbog/ios-driver,adataylor/ios-driver,ios-driver/ios-driver,crashlytics/ios-driver,shutkou/ios-driver,shutkou/ios-driver,shutkou/ios-driver,crashlytics/ios-driver,masbog/ios-driver,seem-sky/ios-driver,adataylor/ios-driver,adataylor/ios-driver,azaytsev/ios-driver,masbog/ios-driver,seem-sky/ios-driver,seem-sky/ios-driver,darraghgrace/ios-driver,azaytsev/ios-driver,shutkou/ios-driver,azaytsev/ios-driver,ios-driver/ios-driver