Merge pull request !6823 from zhangyi/master

Merge pull request !6759 from jiangzhenguang/add_music_auto_tagging

Merge pull request !6817 from yepei6/master_mobilenetv2

Merge pull request !6796 from TuDouNi/master

Merge pull request !6737 from yepei6/master_mobilenetv2

Merge pull request !6773 from panfengfeng/fix_deepfm_mnasnet_bug

Merge pull request !6744 from gengdongjie/master

Merge pull request !6663 from guoqi/master

Merge pull request !6699 from wukesong/add-dataset-check

Merge pull request !6747 from dessyang/master

Merge pull request !6724 from TuDouNi/master

Merge pull request !6677 from zhaoting/hub

Merge pull request !6731 from jiangzhenguang/amend_deeplabv3_hub_config

Merge pull request !6726 from yuchaojie/transformer2

Merge pull request !6679 from yao_yf/ms_hub_config

Merge pull request !6666 from linqingke/mass

Merge pull request !6643 from linqingke/modelzoo

Merge pull request !6620 from zhouyaqiang0/master

Merge pull request !6656 from yoonlee666/hub

Merge pull request !6695 from VectorSL/keep

Merge pull request !6611 from jiangzhenguang/add_set_random_in_deeplabv3

Merge pull request !6674 from jiangzhenguang/add_hub_conf_in_deeplabv3

Merge pull request !6688 from caojian05/ms_master_vgg16_hub

Merge pull request !6616 from yoonlee666/token

Merge pull request !6683 from caojian05/ms_master_googlenet_readme_support_imagenet

Merge pull request !6659 from wukesong/add-hub

Merge pull request !6606 from caojian05/ms_master_googlenet_shell_script_support_imagenet