MR !1252 : Bugfix nr rlc w36
Fix a bug about segmentation present in both NR RLC AM and NR RLC UM.

MR !1253 : minor: T tracer: be more verbose for DLSCH DCI

MR !1254 : fix for pointa computation in sib1
Fix computation of pointA in SIB1

MR !1217 : fix-physim-run-script-on-cluster
oai-nr-dlsim may seem fine but in fact, test21 may or may not be executed. 
On some run example, we do not have finished message on nr-dlsim pod.

MR !1255 : Attempt to fix nr-dlsim Test 21 (4x4 MIMO, 2 Layers)