If Irish people like talking about the weather, GAA people like talking about the rules, especially when it comes to Gaelic football. And there has been plenty of talk about both over the past week. When Jim Gavin’s Football Review Committee was formed and embarked on a consultation exercise, many people may have developed a misconception in their head. They may have looked at the widespread consultation and seen something that wasn’t there. They would have watched that committee travel the country, talking to people at length; they would have noted the online survey with many, many questions; they might…