New in version 2.0.
List Abjad templates:
abjad> from abjad.tools import configurationtools
abjad> configurationtools.list_abjad_templates()
('coventry.ly', 'lagos.ly', 'oedo.ly', 'paris.ly', 'tangiers.ly', 'thebes.ly', 'tirnaveni.ly')
Return tuple of zero or more strings.
Abjad templates are housed in abjad/templates.