3ed1d01ba9cfa205e029f358eb7ba8c93490f2f5 adding writeResidualsC() for external files

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 552 | PASS: 538 | FAIL: 9 | XFAIL: 5 | XPASS: 0 | LIST OF FAILED TESTS: | * estimation/MH_recover/fs2000_recover.mod | * identification/rbc_ident/rbc_ident_varexo_only.mod | * conditional_forecasts/fs2000_conditional_forecast_initval.mod | * kalman/likelihood_from_dynare/fs2000_corr_ME.mod | * kalman/likelihood_from_dynare/fs2000_corr_ME_missing.mod | * kalman/likelihood_from_dynare/fs2000_uncorr_ME.mod | * kalman/likelihood_from_dynare/fs2000_uncorr_ME_missing.mod | * ep/rbc2.mod | * ../matlab/prior_draw.m#1

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 546 | PASS: 528 | FAIL: 13 | XFAIL: 5 | XPASS: 0 | LIST OF FAILED TESTS: | * estimation/MH_recover/fs2000_recover.mod | * gsa/cod_ML_morris/cod_ML_morris.mod | * optimal_policy/Ramsey/ramsey_ex_aux.mod | * conditional_forecasts/fs2000_est.mod | * kalman/likelihood_from_dynare/fs2000_corr_ME.mod | * kalman/likelihood_from_dynare/fs2000_corr_ME_missing.mod | * kalman/likelihood_from_dynare/fs2000_uncorr_ME.mod | * kalman/likelihood_from_dynare/fs2000_uncorr_ME_missing.mod | * ep/rbc2.mod | * optimizers/fs2000_7.mod | * ../matlab/lyapunov_symm.m#1 | * ../matlab/modules/dseries/src/@dseries/dseries.m#5 | * ../matlab/prior_draw.m#1

A full log can be found at http://www.dynare.org/testsuite/master