Fix default teisimple.odd
The currently included teisimple.odd uses outdated syntax, e.g. for parameters. Update to match latest TEI spec.
Remove default CSS styles which interfere with general page design (e.g. colors).
The currently included teisimple.odd uses outdated syntax, e.g. for parameters. Update to match latest TEI spec.
Remove default CSS styles which interfere with general page design (e.g. colors).