Merge pull request !2259 from pkuliuliu/master

Merge pull request !2372 from h.farahat/cleanup_0619

Merge pull request !2368 from chenzhongming/abc

Merge pull request !2337 from chenzhongming/master

Merge pull request !2326 from liangzelang/master

Merge pull request !2147 from ougongchang/master

Merge pull request !2361 from kisnwang/fix-codex-reviewbot

Merge pull request !2373 from danishnxt/AugOpsD1

Merge pull request !2360 from pengyanjun/fix_dataset_public_api_build_vocab

Merge pull request !2325 from imaaamin/object_ops_pr2

updated comments for 3 BB AugOps

addressing comments, void -> status, macros added, fixed test cmt

changed types -> value, fixed ut test funcs, grammar

bug type fix

fixed condition in tests for viz

Merge pull request !2371 from nhussain/missing_concat_test

Merge pull request !2359 from yihuaijie/master

I added a SummaryCollector to help users automatically collect information
such as the network, loss, learning rate and so on, making it easier to collect this information.

It also can collect train lineage and eval lineage information which is
collected by TrainLineage Callback and EvalLineage Callback in
MindInsight.

I also add some UT for SummaryCollect to keep the code correct.

Merge pull request !2354 from ms_yan/GetRow_fail

Merge pull request !2348 from liuxiao/central_crop

Merge pull request !2352 from wangnan39/fix_error_about_data_loop_size

Merge pull request !1897 from jinyaohui/print

Merge pull request !2351 from liuwenhao/master

Merge pull request !2323 from Chong/interface

Merge pull request !2349 from panfengfeng/fix_gpu_invalid_input_data

Merge pull request !2346 from wangcong/master

Merge pull request !2264 from liuxiao/Adapt-ApplyProximalAdagrad-operator-for-vm

Merge pull request !2328 from jiangjinsheng/issue_fix4

Merge pull request !2284 from BowenK/fix_depend

Merge pull request !2335 from chengxb7532/cxb_st

Merge pull request !1990 from caifubi/fix-profiling-stream-id

Merge pull request !2064 from caifubi/add-memory-context-var

Merge pull request !2315 from yanzhenxiang2020/add_pack_open

Merge pull request !2268 from yanzhenxiang2020/open_ScatterMax_bprop

Merge pull request !2342 from rick_sanchez/test

Merge pull request !2331 from Simson/push-to-opensource

Merge pull request !2307 from baihuawei/cpulstm

Merge pull request !2339 from zhangbuxue/support_catch_index_error_in_c++