Merge pull request !4753 from ghzl/fix-quant-param-null

Merge pull request !4750 from 陶云浩/lite

Merge pull request !4704 from chengang/fix_ps_multi_worker

fixed pylint errors

Merge pull request !4727 from chenzupeng/master-lite

Merge pull request !4740 from guozhijian/fix_api_comment

Merge pull request !4751 from zongha/master

Merge pull request !4651 from 徐安越/master

Merge pull request !4649 from yepei6/comment

Merge pull request !4721 from fuzhiye/tmp

Merge pull request !4725 from chenjianping/lite_dev2

Merge pull request !4736 from huangxinjing/wide-deep-mutli-table-pos

Merge pull request !4569 from hanjun996/master

Merge pull request !4696 from jiangzhiwen/jzw/c_api_csv

2.rewrite resize func

Merge pull request !4693 from wangshaocong/lite_cmake

Merge pull request !4739 from lixian/master

Merge pull request !4709 from wangzhe/master

Merge pull request !4555 from wangshaocong/lite

Merge pull request !4722 from lijiaqi/modify_error_type

Merge pull request !4622 from hexia/http_init

Merge pull request !4731 from gukecai/parallel-genmask

Merge pull request !4710 from xiefangqi/xfq_fix_tfreader_issue

Merge pull request !4498 from heleiwang/gnn_distributed

Merge pull request !4637 from liuzhongkai/prelu

Merge pull request !4716 from zhaozhenlong/lite/issue/fix_fp16_transpose

Merge pull request !4726 from 徐永飞/master

Merge pull request !4684 from 治愈系潇洒哥/master

fix fc parser bug.

Merge pull request !4713 from wangchangkai/master

Merge pull request !4582 from wanyiming/mod_callback_serial

Merge pull request !4715 from zhoufeng/xiu-ba-ge