75dd01421f9401e4cd777d0d965085e939d15b40 Refactor bison files using new prologue syntax.

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 415 | PASS: 413 | FAIL: 0 | XFAIL: 2 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 413 | PASS: 411 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-master-check-Ye5RBLO2xl.log'.