Decrease minimum slider velocity from 0.1x to 0.01x or lower

[1103x]

Numerous mappers have suggested this game change as an alternative to a proposed ranking criteria change, which would have been a band-aid fix to the underlying issue that there's an arbitrary limit on how slow we can make sliders (https://osu.ppy.sh/community/forums/topics/1682839).

posting on behalf of quila due to problems with their github account

[peppy]

I think we can likely make this change. @smoogipoo can I get your thoughts on this?

[smoogipoo]

Sounds fine to me.