052faa2f93643a15ea1a94218209c74e753ee29a make_y.m: replaced max_lead and max_lag by 1, as the model is now always transformed with leads and lags on one period only. Close issue #613

================================ DYNARE MAKE CHECK MATLAB RESULTS ================================ | TOTAL: 432 | PASS: 430 | FAIL: 0 | XFAIL: 2 | XPASS: 0

================================ DYNARE MAKE CHECK OCTAVE RESULTS ================================ | TOTAL: 430 | PASS: 428 | FAIL: 0 | XFAIL: 2 | XPASS: 0

A full log can be found on karaba in '/tmp/dynare-master-check-d99YAaiVZv.log'.