Merge branch 'refactor_streams' into 'develop'

broker/src/asapo_broker/database/encoding.go

broker/src/asapo_broker/database/encoding_test.go

broker/src/asapo_broker/database/mongodb.go

broker/src/asapo_broker/database/mongodb_insert.go

broker/src/asapo_broker/database/mongodb_streams.go

broker/src/asapo_broker/database/mongodb_test.go

broker/src/asapo_broker/database/streams_test.go

broker/src/asapo_broker/server/get_commands_test.go

broker/src/asapo_broker/server/get_id.go

broker/src/asapo_broker/server/get_next.go

broker/src/asapo_broker/server/process_request_test.go

examples/consumer/getnext_python/check_linux.sh

examples/pipeline/in_to_out/check_linux.sh

examples/pipeline/in_to_out_python/check_linux.sh

tests/automatic/broker/get_last/check_linux.sh

tests/automatic/broker/get_next/check_linux.sh

tests/automatic/consumer/consumer_api/check_linux.sh

tests/automatic/consumer/consumer_api_python/check_linux.sh

...automatic/consumer/next_multithread_broker/check_linux.sh

tests/automatic/producer/aai/check_linux.sh