fix layering of beard over chin
add fortify as potion on 'special items'. Some inventory css tweaks
winter event! npcs, snowball=>snowman, new hairs/beards
rename head_special_winter to head_special_candycane
add salt spell to remove snowman effect
winter: add snowball badge stack, remove candycane hat for now
Merge branch 'winter' into develop
Fix drop system tests