f95b5021bce60255e7ae8cf8bc461c2c1d402c69 add logo to README.md

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 542 | PASS: 532 | FAIL: 6 | XFAIL: 4 | XPASS: 0 | LIST OF FAILED TESTS: | * estimation/MH_recover/fs2000_recover.mod | * identification/rbc_ident/rbc_ident_varexo_only.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

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 536 | PASS: 518 | FAIL: 14 | XFAIL: 4 | XPASS: 0 | LIST OF FAILED TESTS: | * estimation/MH_recover/fs2000_recover.mod | * gsa/cod_ML_morris/cod_ML_morris.mod | * t_sgu_ex1.mod | * irfs/example1_unit_std.mod | * optimal_policy/Ramsey/ramsey_ex_initval_AR2.mod | * steady_state_operator/use_dll.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 | * optimizers/fs2000_7.mod | * ../matlab/lyapunov_symm.m#1 | * ../matlab/modules/dseries/src/@dseries/dseries.m#5

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