Merge branch 'integration_2020_wk44' into 'develop'

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