Different YAML settings

config/ppo/DodgeBall.yaml

       epsilon: 0.2
       lambd: 0.95
       num_epoch: 3
-      learning_rate_schedule: linear
+      learning_rate_schedule: constant
     network_settings:
       normalize: false
       hidden_units: 256
 #            encoding_size: 256
 #            learning_rate: 0.0003
     keep_checkpoints: 5
-    max_steps: 20000000
+    max_steps: 50000000
-    summary_freq: 5000
+    summary_freq: 20000
     threaded: true