runner: tests do not use .rcode file anymore

runner: rcode is now in public section

runner: running tests do not change rcode

have to be deleted when runnertest recipe will be replaced by buildout section

This reverts commit e409a496040a30358d0d5b27364cba912d5930a9.

they are useless since basic auth

working only if the instance inside the runner has configured monitoring

Conflicts:
	slapos/runner/static/css/styles.css

instead of hardcode