Merge pull request !2766 from hangq/master

Merge pull request !2768 from xiefangqi/fix_ssd_gpu_train_config_issue

Merge pull request !2762 from GongLiyao/master

Merge pull request !2715 from 迎接光辉岁月/master

Merge pull request !2748 from lvmingfu/master

Merge pull request !2744 from wangzeyangyi/gloreres

Merge pull request !2739 from zhaoting/fix_bugs

Merge pull request !2738 from zhaoting/master

Merge pull request !2728 from wangzeyangyi/pix2pix

Merge pull request !2586 from XZFFF/master

Merge pull request !2734 from zhaoting/bert

Merge pull request !2730 from zhaoting/fix_bugs

Merge pull request !2624 from panfengfeng/fix_nasnet_perf

Merge pull request !2726 from anzhengqi/remove-fasttext-8p-scripts

Merge pull request !2510 from yzzheng/master

Merge pull request !2620 from daheyinyin/master

Merge pull request !2698 from GongLiyao/code_docs_fix_default_format

Merge pull request !2722 from 张毅辉/task1

Merge pull request !2725 from chujinjin/fix_gpu_benchmark

Merge pull request !2723 from zhanghuiyao/master

Merge pull request !2719 from anzhengqi/remove-warnings-network