message: modified newtonSolve so as not to modify user input forces
diff: @@ -687,7 +687,6 @@ int TACSIntegrator::newtonSolve( double alpha, double beta, double gamma,
  // Add the forces into the residual
  if (forces){
  - assembler->applyBCs(forces);
  res->axpy(-1.0, forces);
  assembler->applyBCs(res);
  }
  