journal write concern for receiver's mongo client, test to recover after mongo restart

CMakeModules/prepare_asapo.cmake

common/cpp/src/database/mongodb_client.cpp

common/cpp/src/database/mongodb_client.h

config/nomad/mongo.nmd.in

deploy/nomad_jobs/asapo-mongo.nmd.in

producer/api/src/request_handler_tcp.cpp

receiver/src/request_handler_db_write.cpp

receiver/src/requests_dispatcher.cpp

receiver/unittests/test_requests_dispatcher.cpp

tests/automatic/producer_receiver/CMakeLists.txt

...atic/producer_receiver/check_mongo_restart/CMakeLists.txt

...atic/producer_receiver/check_mongo_restart/check_linux.sh