By Kris Boyd’s own admission, ‘there is a lot to like’ about a man who has gone some way to shushing his critics during an admittedly hit-and-miss first season in Scottish football. But, while Rangers‘ £4.5 million summer signing has improved steadily as the campaign has gone on, the abiding memory – for some – will be that moment in December’s Old Firm derby defeat at Celtic Park. One on one with home goalkeeper Joe Hart,Cyriel Dessers waited an age to get his shot away. In the end, he never would, allowing Alistair Johnston to make up the yards and win the ball back just as the Nigeria inter…