added no_DTX function to eNB. This fills the TX subframes which have no PDSCH with a fake pdsch. It avoids switching between TX/RX in TDD systems during the DL periods.

UE_list_t is now used as a separate list. It can be e.g. used in the
scheduler to mark groups of users. The original UE_list_t is renamed to
UE_info_t to reflect that it is a container for information about UEs.

remove RRC_VERSION macros, simplify build-oai and CMakefile.txt accordingly, get rid of remaining compilation warnings (opt module improperly merged and patch asn1c files with tests against max 64 bits integer value)

	2. Dedicated MBMS tasks manager:
	   -If MBMS gets enabled through softmodem config file it will launch SCTP task (to check with S1 interface)
	3. "On the flight" dynamic RU configuration update mechanism implemented

	ACKNOWLEDGEMENT:
 	1. This commit was developed at Vicomtech (https://www.vicomtech.org) under UE project CDN-X-ALL: "CDN edge-cloud computing for efficient cache and reliable streaming aCROSS Aggregated unicast-multicast LinkS"
 	2. Project funded by Fed4FIRE+ OC5 (https://www.fed4fire.eu)
Signed-off-by: Javier Morgade <javier.morgade@ieee.org>

Fix a few cppcheck errors/warnings
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

  -- cell synchronization was successful on the 1st try (in OAI UE + USRP) test

changes in PARALLEL_RU_L!_TRX_SPLIT configuration. Correction of a few bugs related to passing of variables between threads

Fix corrupted LOGs in L1L2simulator, introducing two new components NFAPI_VNF and NFAPI_pnf. Integrate Fujitsu fix for up to 50 UEs. Apply astyle to all modified files in the branch