slaprunner: follow slapos.toolbox runner entry point location change.
Revert "slaprunner: move runTestSuite to runStandaloneTestSuite."

This reverts commit 9a3dcc60e6bacf68c682df8a60d0ffb9a4167adc.

Conflicts:

	software/slaprunner/common.cfg
slaprunner: development.cfg: disable specific slapos.* versions.

Otherwise, stable eggs may be used.
kvm: use old octopus to store disk image for resiliency test.
erp5testnode: use erp5.util 0.4.42.