Merge pull request !5443 from lianliguang/run-graph-test

Merge pull request !5446 from yeyunpeng2020/master_java

Merge pull request !5521 from guozhijian/update_release_notes

Merge pull request !5525 from kisnwang/async-run-graph

Merge pull request !5352 from fary86/refactor_context_interface

Merge pull request !5534 from hewei/fix_tensor_from_numpy

Merge pull request !5528 from Kang/opt

Merge pull request !5505 from hangq/master

Merge pull request !5507 from caojian05/ms_vgg_readme_update

Merge pull request !5503 from zhouyaqiang0/master

Merge pull request !5527 from chentingting/gcn_readme_format

Merge pull request !5532 from zhanke/gat_readme

Merge pull request !5542 from gengdongjie/readme_recitification

Merge pull request !5540 from zhangbiao31/master

Merge pull request !5531 from zhangbiao31/master

Merge pull request !5097 from alashkari/shufflenet

Merge pull request !4478 from dessyang/master

Merge pull request !5520 from sunsuodong/fix_debug_compile

Merge pull request !5442 from liuwenhao/master

Merge pull request !5485 from liuwenhao/lite

Merge pull request !5538 from cjh9368/delet_testcase

Merge pull request !5492 from wangshaocong/lite_pkg

Merge pull request !5501 from LiHongzhang/loss_tensor

Merge pull request !5478 from shenwei41/sw_master

Merge pull request !5526 from ZhangQinghua/master

Merge pull request !5486 from jianghui58/master

Merge pull request !5536 from cjh9368/delet_testcase

Merge pull request !5504 from wukesong/modify_read

Merge pull request !5497 from chengxb7532/master

Tensor.from_numpy() should return mindspore.Tensor not _c_expression.Tensor.

* update opencv,mslite into network