Disambiguate wave/waves

BUR #12573 has been rejected.

remove alias wave -> waving
create alias waving -> waving_(gesture)
create alias wave_(gesture) -> waving_(gesture)

Less ambiguous

The tag group might point towards waving_(gesture).

It is possible to wave an arm with an item in hand.

I updated the BUR to incorporate your idea.

BUR #12629 has been rejected.

create alias waves -> wave_(liquid)

I have been told that wave_(liquid) is a dumb name, so i'm putting this separately to not stop the first bur

This bulk update request is pending automatic rejection in 5 days.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #12573 (forum #222772) has been rejected by @DanbooruBot.

This bulk update request has been rejected because it was not approved within 45 days.

The bulk update request #12629 (forum #223220) has been rejected by @DanbooruBot.