connect to db done

3d_party/mongo-c-driver/install.sh

CMakeModules/testing_cpp.cmake

common/cpp/include/database/database.h

common/cpp/include/database/mongodb_client.h

common/cpp/src/database/CMakeLists.txt

common/cpp/src/database/mongodb_client.cpp

tests/CMakeLists.txt

tests/mongo_db/CMakeLists.txt

tests/mongo_db/connect/CMakeLists.txt

tests/mongo_db/connect/cleanup_linux.sh

tests/mongo_db/connect/connect_mongodb.cpp

tests/mongo_db/connect/setup_linux.sh

tests/valgrind.suppressions

tests/worker/CMakeLists.txt

tests/worker/folder_to_db/CMakeLists.txt

tests/worker/folder_to_db/check_linux.sh

worker/tools/folder_to_db/src/folder_db_importer.cpp

worker/tools/folder_to_db/unittests/test_folder_to_db.cpp