changed ./bin/beat to only beat

See merge request !49

Docedit from 1.4.x

See merge request !48

Databases docker fixes

See merge request !51

It also prints what went wrong if the container failed.

This reverts commit 1f02ed50.

This allows to set the correct user to access the data.

The content of the structure is text in any case,
no reason to write it as binary.

Improve database testing

See merge request !46

This allows to more easily understand why the test fails if
the database object encounters error on creation.

Fix remove deprecated script

See merge request !45

Fix issue related to mixing click functions and other class functions

See merge request !44

Add option to make experiment run less verbose

See merge request !43

Handle case where CPU stats return 0

See merge request !42

This may happen if the container ran on GPU.

Fix click commands

See merge request !41

Fixes #40

Also cleans up all the sys.exit calls.