[fpc-pascal] Read lines into UnicodeString variable from UCS2 (UTF-16) encoded text file

[LacaK]

> Yes, GetTextBOM/SetTextBOM as described above make sense, good idea.
>
> Just to be clear - I don't have capacity to work on the implementation 
> myself,

unfortunately this is also my case for now


> your potential contribution would be appreciated.

maybe sometime later I will take the time to look at it

L.