fix typo
(cherry picked from commit 3ea028f7837a1ea6f1dbc1d458082d617d53b7a9)
fix typo
(cherry picked from commit 9b17c5db4bdb04700dd1647e645f812c19729efc)
Fix sample on which Geweke convergence diagnostics is computed

Was only correct for mh_drop of 0.5
Merge pull request #593 from JohannesPfeifer/4.4

Fix sample on which Geweke convergence diagnostics is computed
dseries: allow assign to select by date string as opposed to dates
(cherry picked from commit 3f5d18f5c5e79dbc8715d777456a1709f83a9090)
Add a warning about the choice of the MOD file name.
(cherry picked from commit b3859bd763fb3cf93a65a8fe7194ad341966203c)
Add missing whitespace.
(cherry picked from commit 0d9a9d44c3ca6dcda9cbad99532c71af2ae4b586)
Fix handling of qz_criterium in k_order_perturbation MEX.

If the MEX file was called with options_.qz_criterium=[], it would not use a
correct default value (but would use NaN).

Closes #574
(cherry picked from commit e5d4defb4151ac105fb4857307678ab4a7ed15b8)
Fix bug when unit root models provide NaN's or Inf's in g_omega

(cherry picked from commit b33da9a40d1effc708661c12bf3a3077878ad332)