Otherwise, stable eggs may be used.

This reverts commit 9a3dcc60.

Conflicts:

	software/slaprunner/common.cfg

  The branch erp5testnode should not be a dependency for install a release.

Parameter names are more generic.

It doesn't work yet with erp5testnode and conflicts with resiliency tests.

  * Copy Re6st logs if exist.
  * Include smartmontools, lm-sensors, rrdtools
  * Implement smartmontools logging
  * Implement network benchmark monitoring

i.e returns parameters.