Update deprecated function
Update deprecated function

Update based on the error message:
 WARNING:tensorflow:From ./neural_programmer/parameters.py:75 in parameters.: initialize_all_variables (from tensorflow.python.ops.variables) is deprecated and will be removed after 2017-03-02.
sshleifer/object_detection_kitti,r888888888/models,sshleifer/object_detection_kitti,r888888888/models,tombstone/models,beomyeol/models,zbigniewwojna/text-rcnn,xcyan/models,derekjchow/models,sshleifer/object_detection_kitti,hang-qi/models,hang-qi/models,jazcollins/models,tombstone/models,wangyang59/tf_models,alexgorban/models,tombstone/models,derekjchow/models,bousmalis/models,alexgorban/models,hang-qi/models,cshallue/models,jiaphuan/models,jch1/models,derekjchow/models,hang-qi/models,cshallue/models,cshallue/models,jiaphuan/models,tombstone/models,r888888888/models,xcyan/models,xcyan/models,jazcollins/models,r888888888/models,derekjchow/models,wangyang59/tf_models,xcyan/models,jch1/models,bousmalis/models,jazcollins/models,wangyang59/tf_models,wangyang59/tf_models,wangyang59/tf_models,jch1/models,alexgorban/models,derekjchow/models,wangyang59/tf_models,jch1/models,beomyeol/models,r888888888/models,r888888888/models,hang-qi/models,hang-qi/models,jiaphuan/models,xcyan/models,jazcollins/models,jiaphuan/models,jch1/models,alexgorban/models,bousmalis/models,alexgorban/models,jazcollins/models,bousmalis/models,beomyeol/models,sshleifer/object_detection_kitti,tombstone/models,tombstone/models,cshallue/models,cshallue/models,xcyan/models,jch1/models,jiaphuan/models,bousmalis/models,sshleifer/object_detection_kitti,jazcollins/models,bousmalis/models,jiaphuan/models,sshleifer/object_detection_kitti