Fixed crash that occured after recording a video (pagevideos' config wasn't set).
Make video recording options have fixed size and merge with spinbox->combobox change.
fix compiling engine (bug introduced in
r33868aea694c)
unify default videorec values loading/reloading, fix setting index/value from previous commit
resize the qt window to fill 2/3 of the screen size (no more crammed widgets on first launch) and always center it