ADD: more font sizes (up to 16x23) and preliminary freetype support

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7253 8aca7d54-2c30-db11-9de9-000461428c89
ADD: (jk271) sorted pak menu (+ sorting in list template)

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@7254 8aca7d54-2c30-db11-9de9-000461428c89