Changing curricula to match reworked curriculum.

python/curricula/wall-jump/BigWallBrain.json

     {
         "big_wall_min_height" : [0.0, 4.0, 6.0, 8.0],
         "big_wall_max_height" : [4.0, 7.0, 8.0, 8.0],
-        "small_wall_height" : [1.5, 2.0, 2.5, 4.0]
     }
 }

python/curricula/push-block/PushBlockBrain.json

+{
+    "measure" : "progress",
+    "thresholds" : [0.01],
+    "min_lesson_length" : 2,
+    "signal_smoothing" : true, 
+    "parameters" : 
+    {
+        "goal_width" : [25.0, 5.0],
+        "goal_length" : [5.0, 1.0]
+    }
+}

python/curricula/wall-jump/SmallWallBrain.json

+{
+    "measure" : "progress",
+    "thresholds" : [0.1, 0.3, 0.5],
+    "min_lesson_length" : 2,
+    "signal_smoothing" : true, 
+    "parameters" : 
+    {
+        "small_wall_height" : [1.5, 2.0, 2.5, 4.0]
+    }
+}

python/curricula/push_curriculum.json

-{
-    "PushBlockBrain" :
-    {
-        "measure" : "progress",
-        "thresholds" : [0.1],
-        "min_lesson_length" : 2,
-        "signal_smoothing" : true, 
-        "parameters" : 
-        {
-            "goal_width" : [25.0, 5.0],
-            "goal_length" : [5.0, 1.0]
-        }
-    }
-}