[Lazarus] LCL Grids: AscImageIndex/DescImageIndex

[Werner Pamler]

Am 27.04.2017 um 16:48 schrieb Alexey via Lazarus:
> I like when props almost sorted by name. AscII / DescII will be not 
> sorted, other props will mess it.
> So suggestion: names
> - SortAscImageIndex, SortDescImageIndex
> or
> - ImageIndexSortAsc, ImageIndexSortDesc

Yes, this makes sense. Renamed to ImageIndexSortAsc and 
ImageIndexSortDesc in r54759.