Add House of Vasa to Swedish civilization

[M00Z1LLA]

There are Finnish guerilla troops called Sissi. Although I think that would be a better fit to replace Royal Arquebusiers.

Fixing the Royal House Units

Many of the royal house units lack any connection to royalty or basis in history. Many are just modelled after a random uniform and given the name “Royal ____”. In a previous post on a Royal House Rework, I suggested some fairly extensive changes of swapping and replacing many of these units. After some further research, I think a more limited approach of mainly name changes could fix the bulk or the issues. With all the great changes to unit skins it’s clear that the devs are passionate about t…