bug#41892: Update crawl to 0.25.0

[Christopher Lemmer Webber]

Ricardo Wurmus writes:

> Christopher Lemmer Webber <cwebber@dustycloud.org> writes:
>
>> Patch attached.  The new version of Crawl is amazing.  Completely
>> reworked spell system and everything!
>
> This looks good to me.
>
>> I'm not sure if I should push it or not given the above.  Maybe we
>> should wait to see if the dev responds to me on IRC about the ._* files.
>
> I think it’s fine.  That’s one of the use cases for snippets.

Ok!  It's pushed then.

(If someone notices that the hash becomes mismatched, it's probably
because the source did a re-upload removing those files... I don't know
if they will; haven't heard as such.)