skilltitle from xml, not langstring anymore
skilltitle from db/xml not langstring anymore
niveautext from db/xml not langstring anymore
niveautext from db/xml not langstring anymore
wirklich löschen als langstring,

function get_skilltitle renamed to blocK_desp_skilltitle
funct get_skilltitle ->block_desp_skilltitle
funct get_skilltitle ->block_desp_skilltitle
funct get_skilltitle ->block_desp_skilltitle
funct get_skilltitle ->block_desp_skilltitle
funct get_skilltitle ->block_desp_skilltitle