Revised the mean-std normalization in MLPAlgorithm, updated test and config

2 jobs for mlp_algorithm in 8 minutes and 42 seconds (queued for 5 seconds)
Status Job ID Name Coverage
  Build
passed #156558
docker
build_linux_36

00:08:38

81.0%
passed #156559
macosx
build_macosx_36

00:02:18