0.10.0 - in memoriam edition

[cerebrate]

In 0.10.0, we have:

• Swapped /dev/shm and /run/shm over, so that systemd and snapd find the shared memory where they're looking for it.
• Renamed bottle-imp systemd services with the imp- prefix, for clarity.

Fixes errors with systemd services which use LoadCredential= etal. (as per arkane-systems/genie#190) and snaps which make use of private shared memory (as per microsoft/WSL#8996).

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This discussion was created from the release 0.10.0 - in memoriam edition.