One signing is all that Celtic have to show after thirty days of the transfer window and it is fair to say that the supporters are a little bit exasperated by it. Brendan Rodgers said he was looking to add quality (I can’t wait till the day I can stop writing this) and ever since those words were uttered, that set the expectation amongst the Celtic fans that this was going to be a busy transfer window. As yet though, there has been nothing by the club and many are starting to believe that Celtic will not add any other new faces before the deadline tomorrow night. Not so says John Hartson. The …