[4.0] Easy way to create mining/trading fleets

Step 1: Move all ships to the same sector.
Step 2: Choose one ship to be the commander and set it's default behaviour (AutoMine or AutoTrade)
Step 3: Select the other ships and right-click on the commander. Then choose "mimic behaviour".

Step 4: ???

Step 5: Profit! You can now rename the fleet by right-clicking it and using the "rename fleet"-option.