[mythtv] Ticket #12809: Use lastPlayPos rather than bookmark

[Piotr Oniszczuk]

> 
> Piotr
> 
> Roger's changes have many many conflicts when trying to apply them, due to many changes in the system since they were created. I spent a couple of hours fixing them, but still there were compile errors due to the new setup. They were still using the old setup classes. I am going to take your version. No need to try separating your changes out, it looks like they are necessary to get past the conflicts.
> 
> Peter
> 
Peter,
This is perfectly fine.
My work on #12809 was minimal needed just to get it working with current mythtv code.
It is so nice You are working on this.
milion thx!