The Celtic fans made their feelings clear towards the board against Aberdeen on Saturday after another transfer window to forget. Back in the summer, many were left underwhelmed at the business Celtic conducted and it became worse in January when only one permanent signing arrived. As a result of it all, the Celtic fans unveiled a banner at Pittodrie which read ‘Celtic board on your heads be it’, with Neil Lennon defending the powers that be at Parkhead as a result of that warning from the supporters. The cries from the stands are that there isn’t enough ambition, but Neil Lennon was keen to p…