Merge branch 'gNB_mwc18_integration' of https://gitlab.eurecom.fr/oai-nr/openairinterface5g into gNB_mwc18_integration

Conflicts:
	openair1/PHY/CODING/TESTBENCH/ldpctest.c
	openair1/PHY/CODING/defs.h
	openair1/PHY/CODING/ldpc_encoder2.c