Use default port 36412 for S1

When $USER is not set (Yes we did !), extracting protobuf fails.
Wh avoid this by using the 'id' command both to get user and group ids.

root user is not tied to a container.
Let the possibility to build when we run as a regular user in a
container.

Integration 2020 wk44

MR923 : Fixes tun  
TUN-interface related changes

MR925 : bugfix: fix frequencies in nr_bandtable    
The array nr_bandtable has then been reviewed fully and all the values that were wrong have been changed.   The check of correctness was done using the website https://www.sqimway.com/nr_band.php  
  
MR931 : Finalize oaicn integration (CI)  
In addition, the "known unstable scenarios" are highlighted in the CI HTML reports.

MR917 : NR CSI reporting
This is a new feature

Merge remote-tracking branch 'origin/oc-docker-october-improvements' into finalize-oaicn-integration

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Integration 2020 wk42 (2)

MR921 : Hotfix for DL DCI issue in UE  
Fixing a bug from last MR.  
Fix in nr_dlsim that prevents reporting false 'PDSCH ok' message

MR915 : Fix to avoid RRC->X2AP ticking every msec when x2ap task is not enabled  
The aim of itti RRC_SUBFRAME_PROCESS message (MAC->RRC) is to trigger an itti X2AP_SUBFRAME_PROCESS message (RRC->X2AP)  
This change avoids creating RRC_SUBFRAME_PROCESS message if x2ap task is not enabled

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Mohammed Ismail <mohammed.ismail@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Develop Integration Branch: 2020 wk42

The following Merge Requests were included:

* MR 913 : Flexran Base Station Apps  
* MR 875 : Nr mac ssb ro global edge  
* MR 897 : python framework cleanup (CI)  
* MR 924 : C-RNTI as TC-RNTI  
* MR 911 : Cce indexing fix  
* MR 922 : fixes mac sched nfapi

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

 Conflicts:
	ci-scripts/reportTestLocally.sh

Kept new RA test disabled

Solved Conflicts in:
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
	openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
	openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h