Return a human readable message error if order=0 (stoch_simul).
Same as commit #ee91c7654ff753728850e68366c60fe1be33ebb3 for estimation.
Added comments and cosmetics.
Give more details if the mod file is not found in the current directory.
Give more informations if the mod file is not found in the current directory.
Changed the paths to Dynare's prior and post processing hooks.