Shiva pngs

[claudiobosticco]

Hello, maybe it's better to start a new thread for Shiva icons which are still png:

ListGrid:
- group_opened
- group_closed
- row_collapsed
- row_expanded

[Isomorphic]

Thanks Claudio - all of these and a bunch of others have been forwarded for mapping - we have a somewhat definitive list of the missing ones after today's investigations.