pybullet a bit more refactoring, moving around files.

pybullet: move data to pybullet_data package, with getDataPath() method

examples/pybullet/gym/pybullet_envs/baselines/enjoy_kuka_grasping.py

@@ -0,0 +1,32 @@
+#add parent dir to find package. Only needed for source code build, pip install doesn't need it.
+import os, inspect
+currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
+parentdir = os.path.dirname(os.path.dirname(currentdir))
+os.sys.path.insert(0,parentdir)
+
+import gym
+from pybullet_envs.bullet.kukaGymEnv import KukaGymEnv
+
+from baselines import deepq
+
+
+def main():
+    
+    env = KukaGymEnv(renders=True)
+    act = deepq.load("kuka_model.pkl")
+    print(act)
+    while True:
+        obs, done = env.reset(), False
+        print("===================================")        
+        print("obs")
+        print(obs)
+        episode_rew = 0
+        while not done:
+            env.render()
+            obs, rew, done, _ = env.step(act(obs[None])[0])
+            episode_rew += rew
+        print("Episode reward", episode_rew)
+
+
+if __name__ == '__main__':
+    main()