Add theme menu to Editor and accompanying logic + strings.
Updated Misc fruit/flower and CampsiteEditor to use translatable strings.
Added new strings to lang and msg files.
Change friendship here.
Can also cheat all friendships (of all villagers, for all saved players) to 255 by shift clicking the drop-down button instead.
isActive: indicates if the tile is animated (eg: bonfire has fire or is extinguished)
isSupported: layer2 tile checks beneath it (layer1) to see if there's something to hold it up on that layer (sanity check)
Dunno how to handle the isActive set-on-save. I saw there was an isActive flag in my plaza, assumedly left there from a radio or something. NHSE does not change flag state at this time.
