New Beta Release v8.5.4

[Joe_H]

A new Beta release is available v8.5.4 - https://foldingathome.org/beta

Bug reports for the client - https://github.com/FoldingAtHome/fah-cl ... tet/issues

Bug reports for the web control - https://github.com/FoldingAtHome/fah-we ... tet/issues

v8.4 Installation Guide - https://foldingathome.org/v8-4-client-guide/

Some new features may not be covered in the v8.4 Installation Guide, will post a new link if it gets updated.


Change log since previous Beta releases:

v8.5.4

fah-client:
- More specific udev scanning to avoid unnecessary rescans. re:#394
- Fix for WU failing to start after client restart.
- Fix for repeated ``Websocket not active`` error. re:#400