The backup command requires root privileges

[velovix]

The initial purpose of the brainframe group was to allow users to handle the BrainFrame installation without root access. Unfortunately, in practice, this isn't entirely the case because some of BrainFrame's services write with root read permissions to the data directory. This in turn means that users need root access to perform a backup, which is unideal.

This is effectively a BrainFrame bug, but I'm adding this issue so we can track it publicly as well.