Updated armband

Updated armband
Project: vswitchperf  8fc264914ec05e572543f7d857a7ff4f437ffa9d

bugfix: Harmonize test/trial RFC2544 terminology

VSPERF framework was updated to follow RFC2544 definition
of 'test' and 'trial' terms. Test parameter 'rfc2544_trials'
was replaced by new parameter 'rfc2544_tests'.
Both code and documentation were updated to reflect
these changes.

JIRA: VSPERF-300

Change-Id: I144a28359fd06394f1f87ef324458bafd5aad45f
Signed-off-by: Martin Klozik <martinx.klozik@intel.com>
Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com>
Reviewed-by: Al Morton <acmorton@att.com>
Reviewed-by: Christian Trautman <ctrautma@redhat.com>
Reviewed-by: <bmichalo@redhat.com>