Use workspace/csit directory for artifacts, to mirror the way
csit-vpp jobs archive artifacts.
Don't look for honeycomb.log in /var/log, it is copied from virl
to workspace/csit directiry.
Modify trigger for hc2vpp-csit-verify, so that the trigger is not
a part of the job's name.
Change-Id: Ie1e66e9c7b017045c2be6c976189297c27e6aa96
Signed-off-by: selias <samelias@cisco.com>