Merge branch 'rattoma/dynare-initial_estimation_checks_errors'

doc/manual/source/the-model-file.rst

matlab/default_option_values.m

matlab/initial_estimation_checks.m

tests/.gitignore

tests/Makefile.am

.../no_init_estimation_check_first_obs/fs2000_init_check.mod

...it_estimation_check_first_obs/fs2000_init_check_XFAIL.mod

...t_estimation_check_first_obs/fs2000_init_check_XFAIL2.mod

...estimation/no_init_estimation_check_first_obs/fsdat_mat.m

...tion/no_init_estimation_check_first_obs/fsdat_mat_XFAIL.m

...timation/no_init_estimation_check_first_obs/fsdat_simul.m