ies from Trilinos:
      <ul>
        <li> Amesos,
        <li> AztecOO,
        <li> Epetra,
        <li> EpetraExt (optional),
        <li> Ifpack,
        <li> ML,
        <li> MueLu (optional, required for TrilinosWrappers::PreconditionAMGMueLu),
        <li> NOX (optional, required for TrilinosWrappers::NOXSolver),
        <li> ROL (optional),
        <li> Sacado (optional),
        <li> SEACAS (optional, required for GridIn::read_exodusii()),
        <li> Teuchos,
        <li> Tpetra (optional),
     