Merge pull request !2297 from jiangjinsheng/vm_matrixdiag

Merge pull request !2305 from 李鸿章/callback

Merge pull request !2418 from caojian05/ms_master_dev

Merge pull request !2241 from zhangzheng/accumulate

Merge pull request !2306 from luoyang/pylint

Merge pull request !2413 from Xiaoda/7-auto-parallel-check-optimizer-ops

Merge pull request !2398 from h.farahat/slice_bug

Merge pull request !2404 from xulei/input_output

Merge pull request !2375 from h.farahat/python_tokenizer

Merge pull request !2380 from xiefangqi/xfq_fix_coco_issue_01

Merge pull request !2347 from riemann_penn/support_multi_param_for_tuple_grad

Merge pull request !2363 from yanghaitao/yht_fix_textfiledataset

Merge pull request !2259 from pkuliuliu/master

Merge pull request !2372 from h.farahat/cleanup_0619

Merge pull request !2337 from chenzhongming/master

Merge pull request !2147 from ougongchang/master

!38 Synchronize with latest Ascend software suite 17 Jun 2020
Merge pull request !38 from yanghaoran/master

Merge pull request !2373 from danishnxt/AugOpsD1

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

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 !1897 from jinyaohui/print

Merge pull request !2339 from zhangbuxue/support_catch_index_error_in_c++

Merge pull request !1935 from 李鸿章/policy_writer

Merge pull request !2161 from vlne-v1/I1IZV3-quant-infer

Merge pull request !2301 from lilei/sparse_proximal_ada_grad