Protocol TOML files are not real TOML

[cgrigis]

[moved from ldsec/unlynx#34]

The protocol TOML files, as documented in https://github.com/dedis/cothority_template/tree/master/simulation, are not read TOML files: they start TOML, but end up as "CSV" (with "space" instead of comma).

For clarity, it should be either transformed into a real TOML file (perhaps changing the CSV part into an array like data = [ ["col1", "col2", "col3"], [1, 2, 3] ]), or not be called a TOML file. :)