Add -std=c++11 in compile
Add -std=c++11 in compile

xcgoner/ps-lite-new,xcgoner/ps-lite-new,dmlc/ps-lite,dmlc/ps-lite,xcgoner/ps-lite-new,shilad/ps-lite,shilad/ps-lite,dmlc/ps-lite,xcgoner/ps-lite-new,dmlc/ps-lite,shilad/ps-lite