Add option --quiet/-q to table-generator that hides INFO messages.
Add option --quiet/-q to table-generator that hides INFO messages.

cheshire/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,bjowac/impara-benchexec,dbeyer/benchexec,bjowac/impara-benchexec,martin-neuhaeusser/benchexec,sosy-lab/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,sosy-lab/benchexec,dbeyer/benchexec,IljaZakharov/benchexec,IljaZakharov/benchexec,michkot/benchexec,cheshire/benchexec,cheshire/benchexec,martin-neuhaeusser/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,bjowac/impara-benchexec,dbeyer/benchexec,ultimate-pa/benchexec,IljaZakharov/benchexec,michkot/benchexec,sosy-lab/benchexec,IljaZakharov/benchexec,michkot/benchexec