Font: shouldn’t be using a signed type for string width.

Hopefully this will aliviate an issue with printing exceptionally long strings.
Fix font and count label anchor in pst GUIINV
Display item count for ground piles in pst GUIINV
remove a useless unsigned->signed conversion
Fix ps:t encumbrance labels' font
Merge remote-tracking branch 'upstream/master'
Merge from upsteream