Merge branch 'agent' into feature-68-enb-agent

cmake_targets/CMakeLists.txt

cmake_targets/autotests/test_case_list.xml

cmake_targets/build_oai

cmake_targets/oaisim_noS1_build_oai/CMakeLists.template

cmake_targets/rrh_gw/CMakeLists.txt

cmake_targets/tools/build_helper

cmake_targets/tools/generate_protobuf

cmake_targets/tools/make_agent_cache

common/utils/collection/tree.h

common/utils/itti/timer.c

maketags

openair1/PHY/LTE_REFSIG/primary_synch.h

openair1/PHY/LTE_TRANSPORT/initial_sync.c

openair1/PHY/LTE_TRANSPORT/print_stats.c

openair1/PHY/TOOLS/lte_phy_scope.c

openair1/PHY/defs.h

openair1/PHY/impl_defs_top.h

openair1/SCHED/phy_procedures_lte_ue.c

openair1/SIMULATION/LTE_PHY/dlsim.c

openair1/SIMULATION/LTE_PHY/ulsim.c