Merge branch 'develop' of https://github.com/PaddlePaddle/PaddleHub into develop

demo/sequence-labeling/run_sequence_label.sh

-export CUDA_VISIBLE_DEVICES=1
+export CUDA_VISIBLE_DEVICES=0
 
 CKPT_DIR="./ckpt_sequence_label"
 python -u sequence_label.py \

demo/text-classification/run_classifier.sh

-export CUDA_VISIBLE_DEVICES=5
+export CUDA_VISIBLE_DEVICES=0
 
 # User can select chnsenticorp, nlpcc_dbqa, lcqmc for different task
 DATASET="chnsenticorp"

demo/text-classification/run_predict.sh

-export CUDA_VISIBLE_DEVICES=5
+export CUDA_VISIBLE_DEVICES=0
 
 CKPT_DIR="./ckpt_20190414203357/best_model"
 python -u predict.py --checkpoint_dir $CKPT_DIR --max_seq_len 128

paddlehub/module/module.py

@@ -90,7 +90,6 @@ class ModuleHelper(object):
 class Module(object):
     def __init__(self,
                  name=None,
-                 url=None,
                  module_dir=None,
                  signatures=None,
                  module_info=None,
@@ -112,8 +111,6 @@ class Module(object):
         # TODO(wuzewu): print more module loading info log
         if name:
             self._init_with_name(name=name)
-        elif url:
-            self._init_with_url(url=url)
         elif module_dir:
             self._init_with_module_file(module_dir=module_dir)
         elif signatures: