Add new datasets"

experiments/digits/stage2/no_normalization.json

experiments/digits/stage2/normalize_D.json

experiments/digits/stage2/normalize_D_and_weights.json

experiments/digits/stage2/normalize_weights.json

experiments/digits/stage3/train-dev_subset.json

experiments/digits/stage3/train-dev_train-dev_subset.json

experiments/digits/stage3/train-train-dev_subset.json

experiments/digits/stage4/none_with_params.json

experiments/digits/stage4/omp_with_params.json

experiments/digits/stage4/random_with_params.json

experiments/iris/stage1/params.json

experiments/iris/stage2/no_normalization.json

experiments/iris/stage2/normalize_D.json

experiments/iris/stage2/normalize_D_and_weights.json

experiments/iris/stage2/normalize_weights.json

experiments/iris/stage3/train-dev_subset.json

experiments/iris/stage3/train-dev_train-dev_subset.json

experiments/iris/stage3/train-train-dev_subset.json

experiments/kin8nm/stage4/none_with_params.json

experiments/kin8nm/stage4/omp_with_params.json