Improve reference to table-generator at end of benchmark if scripts are in PATH.
Improve reference to table-generator at end of benchmark
if scripts are in PATH.

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