[Cin] exportEDL, timecode patches

[Andrea paz]

> Does this mean that only 24 fps works for this specific NLE?  Should that be noted somewhere in the manual too?
I can't tell! In the case where it worked, surely the biggest
influence was putting the absolute path to the source; so it's not
sure that 24 fps is needed too.
Other tests with later patches were not successful, so I can't create
a clear situation, where a change leads to a sure result.