Move to C++14

8 jobs for master
Status Job ID Name Coverage
  Test
canceled #69
i386
job_clang_386

canceled #73
amd64
job_clang_amd64

01:54:04

canceled #71
i386
job_clang_py2_386

canceled #75
amd64
job_clang_py2_amd64

01:53:55

canceled #68
i386
job_gcc_386

canceled #72
amd64
job_gcc_amd64

01:54:04

canceled #70
i386
job_gcc_py2_386

canceled #74
amd64
job_gcc_py2_amd64

01:53:55