move http_client to common

CMakeLists.txt

common/cpp/CMakeLists.txt

common/cpp/include/http_client/curl_http_client.h

common/cpp/include/http_client/http_client.h

common/cpp/include/http_client/http_error.h

common/cpp/src/http_client/CMakeLists.txt

common/cpp/src/http_client/curl_http_client.cpp

receiver/CMakeLists.txt

receiver/src/statistics.cpp

receiver/src/statistics.h

receiver/src/statistics_sender.h

receiver/src/statistics_sender_influx_db.cpp

receiver/src/statistics_sender_influx_db.h

receiver/unittests/mock_statistics.h

receiver/unittests/test_request.cpp

receiver/unittests/test_statistics.cpp

receiver/unittests/test_statistics_sender_influx_db.cpp

tests/automatic/CMakeLists.txt

tests/automatic/curl_http_client/CMakeLists.txt

...atic/curl_http_client/curl_http_client_get/CMakeLists.txt