std::unique_ptr is C++11 specific. Let's use boost::shared_ptr for now.
std::unique_ptr is C++11 specific. Let's use boost::shared_ptr for now.

Change-Id: I549dd62bfb5c14993a3f600a388cd716b3ff7401

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core