use C++11 also with MSVC
use C++11 also with MSVC

MSVC supports (a subset of) C++11 without any special switch, so always
"enable" support for it and use whatever features are detected by configure
checks

Change-Id: Ic03be5a1aabe7d20cf763bae6d26a7043a51f287

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