SNOPTWrapper: Initialize snopt as soon as possible
SNOPTWrapper: Initialize snopt as soon as possible

Move the snInit() call to our session management constructor to call it
as soon as workspace memory is available.

sheim/drake,psiorx/drake,sheim/drake,psiorx/drake,billhoffman/drake,sheim/drake,billhoffman/drake,billhoffman/drake,psiorx/drake,sheim/drake,billhoffman/drake,sheim/drake,sheim/drake,sheim/drake,psiorx/drake,psiorx/drake,billhoffman/drake,psiorx/drake,billhoffman/drake,billhoffman/drake,sheim/drake,billhoffman/drake,psiorx/drake,psiorx/drake