+ Rename bool unidirection to int traffic_directions.
+ Rename "untagged" to "initial" for bandwidth calculation.
+ Fix latency measurement for unidirectional traffic.
+ Remove duplicate colon in soak test message.
+ Edit PAL to accept both forms.
+ Fix minor documentation issues.
Change-Id: I6c76f2dc090ae493f2fbd7e9ccd45229d2306dea
Signed-off-by: Vratko Polak <vrpolak@cisco.com>