slaprunner: develop slapos.core and slapos.cookbook in development.
slaprunner: move runTestSuite to runStandaloneTestSuite.

It doesn't work yet with erp5testnode and conflicts with resiliency tests.
slaprunner: add dedicated buildout profile for erp5testnode.
slaprunner: publish backend url of monitor.
KVM resiliency tests: follow changes of slapos.toolbox.

Parameter names are more generic.