Added a new version of Treasure for Vikings; Plundered Treasure, requires cargo space of 6. This brings back the King's request to share in the profits.
Merge branch 'master' of https://github.com/Nightinggale/Medieval_Tech
Fixed issues with Buying Ships on Spice Route, return home button now appears on again. Note: Return to Mother land command appears for none Viking Civs and it should not, needs fixed.