Merge remote-tracking branch 'origin/develop_integration_2019_w06' into develop

ci-scripts/conf_files/enb.band13.tm1.50PRB.emtc.conf

cmake_targets/CMakeLists.txt

cmake_targets/at_commands/CMakeLists.txt

cmake_targets/build_ue

cmake_targets/tools/exmimo2_2brxg.lime

cmake_targets/tools/run_ue_s1

common/utils/collection/queue.h

common/utils/collection/tree.h

openair1/PHY/CODING/crc_byte.c

openair1/PHY/CODING/lte_rate_matching.c

openair1/PHY/INIT/lte_init.c

openair1/PHY/LTE_ESTIMATION/lte_ul_channel_estimation.c

openair1/PHY/LTE_TRANSPORT/dci.c

openair1/PHY/LTE_TRANSPORT/dci_tools.c

openair1/PHY/LTE_TRANSPORT/dci_tools_common.c

openair1/PHY/LTE_TRANSPORT/dlsch_coding.c

openair1/PHY/LTE_TRANSPORT/dlsch_scrambling.c

openair1/PHY/LTE_TRANSPORT/edci.c

openair1/PHY/LTE_TRANSPORT/if4_tools.c

openair1/PHY/LTE_TRANSPORT/mdci.h