Modify a constructor which receive external memory to copy to its own memory from the external memory.
Modify a constructor which receive external memory to copy to its own memory from the external memory.

rimms/jubatus_core,kumagi/jubatus_core,kumagi/jubatus_core,kumagi/jubatus_core,gintenlabo/jubatus_core,rimms/jubatus_core,gintenlabo/jubatus_core,kumagi/jubatus_core,rimms/jubatus_core,rimms/jubatus_core,gintenlabo/jubatus_core,gintenlabo/jubatus_core