It’s been a busy start to the month of August, with the Calgary Flames and New Jersey Devils both getting some of the biggest RFAs left on the board signed within the past 48 hours. It’s busy elsewhere in the hockey world, too, and former (or possibly future) NHLers are making their way around the minor leagues in North America and professional leagues in Europe. We’ll keep track of those moves today right here. After splitting last season between the AHL’s Wilkes-Barre/Scranton Penguins and Chicago Wolves, former Colorado Avalanche defense prospect Chris Bigras will try his hand in Europe for…