add attributes_to_properties table

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4834 0b2b3880-5936-4365-a048-eb17d2e5a6bf
added attributes_to_properties table -- also direct

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4835 0b2b3880-5936-4365-a048-eb17d2e5a6bf
fixed wrong init_lua_key_alias

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4836 0b2b3880-5936-4365-a048-eb17d2e5a6bf
lua_key for lpdflib.c

git-svn-id: https://foundry.supelec.fr/svn/luatex/branches/experimental@4837 0b2b3880-5936-4365-a048-eb17d2e5a6bf