1. [TF] KW renaming

• TODO {'Rename'}
• per .xls and .txt;
• >90% by TF's script;
• <10% (30..35 KWs) by hand
• KWs with arguments in name;
• KWs names that are subset of other KWs' names;
  -0.5MD handcrafting;
• work: 1..2MDs;
• ETA: w/c 5-Jun - after following merged into csit master:
• [TF] CSIT-524: Traffic generator using python profiles - https://gerrit.fd.io/r/#/c/6019/
• [TF] CSIT-614: PDRCHK test for vpp-csit-verify-hw-perf job - https://gerrit.fd.io/r/#/c/6875/
• [MK] Added pdrchk suite for ip4base on x520 nic. - https://gerrit.fd.io/r/#/c/6911/