message: Remove -j from build for travis
diff: @@ -25,6 +25,6 @@ for vector_size in vector_sizes:
  execute_system_command('mkdir -p build/release')
  os.chdir(build_dir)
  execute_system_command('cmake -DCMAKE_BUILD_TYPE=Release ../..')
  - execute_system_command('cmake --build . -j')
  + execute_system_command('cmake --build .')
  os.chdir(current_dir)
  execute_system_command('build/release/test/unittest')
  