AMQ Fixes from experimental builds plus fix for SO2V menu issue (Coded by N1MM)

Available Window: Fix for right click menu not appearing and add changes for window focus after mouse clicks. (Coded by N1MM & K3CT) AC QSO Party: Changes to multiplier per and bonus stations. Additional 10X overhead caused by the bonus station complexity. Changes need testing. (VE1RGO) (Code by K3CT) UNDX: Contest multiplier change. Add two new multipliers G08 & Z04. (PA5KT) (Code by K3CT)