crawler configs

config/ppo_transfer/CrawlerStatic.yaml

       with_prior: false
       predict_return: true
       use_bisim: false
-      separate_value_net: true
+      separate_value_train: true
     network_settings:
       normalize: true
       hidden_units: 512
     time_horizon: 1000
     summary_freq: 30000
     threaded: true
+    transfer: true

config/ppo_transfer/OldCrawlerStatic.yaml

       with_prior: false
       predict_return: true
       use_bisim: false
-      separate_value_net: true
+      separate_value_train: true
       train_model: false
       load_model: true
       train_policy: true
+      transfer_path: "results/cs-tr-s1/CrawlerStatic"
+      use_transfer: true
     network_settings:
       normalize: true
       hidden_units: 512