Merge pull request !4967 from zhaoting/readme

Merge pull request !4964 from anzhengqi/I1QWT0-memory-ascend

Merge pull request !4937 from ms_yan/vgg_format

Merge pull request !4965 from panfengfeng/fix_googlenet_deepfm

Merge pull request !4943 from zhaodezan/master

Merge pull request !4938 from liuchao/lite-master

Merge pull request !4910 from jianghui/master

Merge pull request !4915 from wangchangkai/master

Merge pull request !4946 from ZPaC/master-get-server-rank-in-python

Merge pull request !4923 from cjh9368/dts-0718

Merge pull request !4944 from mengchunyang/master

Merge pull request !4941 from chenjianping/lite_dev2

Merge pull request !4916 from heleiwang/gnn_fix_bug

Merge pull request !4914 from shenwei41/sw_master

Merge pull request !4952 from peixu_ren/custom_pp_ops

Merge pull request !4955 from MahdiRahmaniHanzaki/dynamic-ops-fix

Merge pull request !4959 from yeyunpeng2020/mindspore

Merge pull request !4854 from 徐安越/master

Merge pull request !4956 from XunDeng/pp_issue_branch

Merge pull request !4924 from byweng/fix_param_check

Merge pull request !4953 from cathwong/ckw_c_api_fixes1

updated c color op descriptions

Merge pull request !4951 from HarshvardhanGupta/multi_fix

Merge pull request !4776 from ZiruiWu/map_callback_follow_up

fix review cmts

fix ci

fix Ci

fixci

address ci

ci

- add timeout
- add more test cases

fix CI

address review cmts

Merge pull request !4948 from JesseKLee/glog_off