added inprocess collection

broker/src/asapo_broker/database/database.go

broker/src/asapo_broker/database/mock_database.go

broker/src/asapo_broker/database/mongodb.go

broker/src/asapo_broker/database/mongodb_test.go

broker/src/asapo_broker/server/get_commands_test.go

broker/src/asapo_broker/server/get_health_test.go

broker/src/asapo_broker/server/get_next.go

broker/src/asapo_broker/server/process_request_test.go

broker/src/asapo_broker/server/server.go

broker/src/asapo_broker/server/server_test.go

consumer/api/cpp/include/consumer/data_broker.h

consumer/api/cpp/src/server_data_broker.cpp

consumer/api/cpp/src/server_data_broker.h

consumer/api/cpp/unittests/test_server_broker.cpp

consumer/api/python/asapo_consumer.pxd

consumer/api/python/asapo_consumer.pyx.in