netvor/saturnin-demo: Working Saturnin-based meta-command

Working Saturnin-based meta-command

Alois Mahdal 532bf95be5 Do not override SATURNIN_CONF_PATH Tests are supposed to set it on their own and not rely on environment. Hence it's not even interesting to have in TF_HEADER.		7 jaren geleden
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sd_echo	Add build-time tests	7 jaren geleden
TF_HEADER	Do not override SATURNIN_CONF_PATH	7 jaren geleden