remove merged files
rename otfl-font-def.lua -> otfl-fonts-def.lua
update basics-gen.lua
update fonts-def
update fonts-ext
import fresh luatex-fonts.lua and luatex-fonts-merged.lua from Context
otfl-fonts.lua: s/luatex-fonts-merged/otfl-fonts-merged/
preliminarily import l-dir -> otfl-lib-dir.lua to please otfl-font-nms
preliminarily add luaotfload.lua, luaotfload-deferred.lua (move to dtx later)
truly add deferred
temporarily add luatotfload.sty
fix function names
new font loader initialization code (thanks Hans)
description of loading procedure
make font definition callback wrapper work with current tfm object structure
make font patching work again with font definition wrapper
update  font-otc
load font-otc; tlig seems to work
choose less generic identifiers in font-ltx
circumvent the callback trap from luatexbase