S1/noS1 clean up effort; added multi-RRU cleaner program' fix in PDCP sequence

DLSCH scheduler optimization; UHD3.13.1 fix; cppcheck fixes

UHD 3.13.1 support in OAI

ULSCH scheduler optimization; X2AP; cppcheck fixes; telnet server fix; rhel7.6 support; hot fix on UE conf module

UE config fix

January 2019 Release -- nFAPI support and more

Last Master version without NFAPI with a TDD fix

Integration 2018 week 51: L1 renaming, dlsim format1A, Iris HW support, ASN1C and limeSDR fix

this is the tag that works for the gNB

in this version the UE works on USRP

second try for demo. PBCH encoding and decoding works in realtime now.

first attempt for ETSI WS demo

Missing RRC inactivity timer, fixing RU DFT init, adding MAC main config to RRC connection setup

getoptions Error Handling, logging documentation, minor typo correction in T Tracer

Integration of S1-Flex, new ASN1C and fix for 256-user build