- add library for SPAN setup
- add telemetry traffic script and a keyword to run it
- add "telemetry" folders for python and robot libraries
- move IPFIX libraries to these new folders
- add first SPAN test case, mirroring IPv4 ICMP packets
Change-Id: Ibca35f724c13662bf80dce2d7e2649d1a0b8676a
Signed-off-by: selias <samelias@cisco.com>