Water life update to v. 1.18

Morrowind Water Life shark eating fish imageUpdates/changes in Water life version 1.18
- added menu option to configure spawning of gondoliers (yes/No/not in Wilderness)
- updated NOM ingredient for ducks & geese
- fixed autoloot missing some sand coin
- fixed gondolier trips disabling previous player waterwalking
- recompressed some textures