updated configs and run files

Changing config files to use SGD instead of Adams. Adding script that runs tests 5 times for different seeds. Added 200 seconds sleep in between rounds.

eval/step_configs/config_shakespeare_partialmodel.ini

@@ -3,8 +3,8 @@ dataset_package = decentralizepy.datasets.Shakespeare
 dataset_class = Shakespeare
 random_seed = 97
 model_class = LSTM
-train_dir = /mnt/nfs/shared/leaf/data/shakespeare/per_user_data/train
-test_dir = /mnt/nfs/shared/leaf/data/shakespeare/data/test
+train_dir = /mnt/nfs/shared/leaf/data/shakespeare_sub/per_user_data/train
+test_dir = /mnt/nfs/shared/leaf/data/shakespeare_sub/data/test
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 sizes =