Moving push curriculum.

python/curricula/push-block/PushBlockBrain.json

 {
-    "measure" : "progress",
-    "thresholds" : [0.01],
+    "measure" : "reward",
+    "thresholds" : [0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75],
-        "goal_width" : [25.0, 5.0],
-        "goal_length" : [5.0, 1.0]
+        "goal_size" : [3.5, 3.25, 3.0, 2.75, 2.5, 2.25, 2.0, 1.75, 1.5, 1.25, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
+        "block_size": [1.5, 1.4, 1.3, 1.2, 1.1, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
+        "x_variation":[1.5, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.85, 1.9, 1.95, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5]
     }
 }

python/curricula/push.json

-{
-    "measure" : "reward",
-    "thresholds" : [0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75, 0.75],
-    "min_lesson_length" : 2,
-    "signal_smoothing" : true, 
-    "parameters" : 
-    {
-        "goal_size" : [3.5, 3.25, 3.0, 2.75, 2.5, 2.25, 2.0, 1.75, 1.5, 1.25, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
-        "block_size": [1.5, 1.4, 1.3, 1.2, 1.1, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
-        "x_variation":[1.5, 1.55, 1.6, 1.65, 1.7, 1.75, 1.8, 1.85, 1.9, 1.95, 2.0, 2.1, 2.2, 2.3, 2.4, 2.5]
-    }
-}