Translated comments in sim_reader.cc

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6258 8aca7d54-2c30-db11-9de9-000461428c89
CHG: cache content of scenario text files

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6259 8aca7d54-2c30-db11-9de9-000461428c89
sqapi: improve doc

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6260 8aca7d54-2c30-db11-9de9-000461428c89
Fixed doc translation error.

git-svn-id: svn://tron.homeunix.org/simutrans/simutrans/trunk@6261 8aca7d54-2c30-db11-9de9-000461428c89