Editor’s note: Welcome to The Atlanta Journal-Constitution’s new feature, our own MLB power rankings. This feature will run weekly during the season with our ranking of the top 10 teams. It’s mid-April, and MLB teams are beginning to show us what they can – or can’t – be. Here’s how The AJC views the top 10 teams right now: 1. Atlanta Braves (+2) What a road trip. The Braves went 5-1 in Miami…