Merge pull request !5885 from vlne-v1/add-doc-for-composite-op

Merge pull request !5806 from xiefangqi/md_delete_setdatasetsize

Merge pull request !5749 from amongo/SupportPyantiveMultiGrad

Merge pull request !5384 from nhussain/api_changes

Merge pull request !5692 from BowenK/pre_ad

ci

add test case

address some of the review cmts

address review cmts

change ImagefolderDV2 name

change ds.transforms.vision to ds.vision

change batch api to match map api more closely

compose op changes

test_pylint

remove compose op from vision, move to transform module, refactor map and batch to use column_order

clear df builder

add testcases

Merge pull request !5872 from zhangbuxue/remove_timeout_exception_test_case

Merge pull request !5714 from vlne-v1/change-top-graph

Merge pull request !5599 from LiHongzhang/dataset_sink_mode

Merge pull request !5669 from hewei/fix_get_py_obj_dtype

Merge pull request !5673 from kingxian/master

Merge pull request !5696 from Xiaoda/20-moving-multi-graph-interface-internal

Merge pull request !5729 from lichen/add_batchnormex_op

Merge pull request !5722 from yao_yf/semi_auto_parallel_reshape_parameter_has_another_user

Merge pull request !5648 from MahdiRahmaniHanzaki/get-col-name

Merge pull request !5580 from liyong126/rmv_filereader_finish

Merge pull request !5502 from wanyiming/mod_SoftmaxCrossEntropyWithlogits

Merge pull request !5663 from zhangbuxue/add_check_for_mod_for_y

Merge pull request !5645 from vlne-v1/ref_demo

Merge pull request !5634 from yihuaijie/master

Return mstype.type_type if input is mindspore type object,
for example:
```
get_py_obj_dtype(mstype.float32) ---> mstype.type_type
```

Merge pull request !5661 from yao_yf/auto_parallel_reshape_fix

Merge pull request !5516 from yao_yf/auto_parallel_context_collation

Merge pull request !5473 from jinyaohui/master

Merge pull request !5482 from liuyang/md_save_checkpoint

Merge pull request !5387 from lixiachen/testcase_epoch