Merge pull request !1178 from zhouneng/add_vm_support_roialign

-replace switch'case by indexing

- Add test case
- Add constructors
- Add getItem string

- Fix bugs
- Add more tests

- Tensor iterator
- asNumpy
- TextFileDataset

- Tensor(Numpy)

- Super > 2D
- Add more test cases for GeneratorDataset

- Change StartAddr to GetBuffer and GetMutableNuffer

- Raise an error if batch is used with strings

Clean-up work

Merge pull request !1191 from ms_yan/map_column

Merge pull request !1061 from jiangzhiwen/dataset/flat_map

Merge pull request !1162 from lianliguang/using-device-dtype-to-create-transdata-kernel-build-info

Merge pull request !1120 from Kang/master

Merge pull request !1180 from YuJianfeng/master

Merge pull request !1145 from xychow/fix-env-getitem-poly

Merge pull request !1118 from huanghui/batchnormgrad-to-bninfergrad-pass

Merge pull request !1181 from yao_yf/fix_gather_v2_replace_graph

Merge pull request !1177 from panyifeng/fix_codex

Merge pull request !1157 from ms_yan/concat_dataset

Merge pull request !1126 from xiefangqi/voc_support_detection

Merge pull request !1175 from chenweifeng/layernorm

Merge pull request !1098 from huanghui/add-batchnorm-bninfer-pass

Merge pull request !1174 from ghzl/fix-beg-group-parameters

change to use __add__ operation instead ds.concat

Merge pull request !1167 from gengdongjie/master

Merge pull request !1102 from yangyongjie/master

Merge pull request !1151 from lyvette/master

Merge pull request !1130 from jiangjinsheng/flatten

Merge pull request !1156 from YuJianfeng/master

Merge pull request !1171 from fary86/adjust_onnx_related_uts

Merge pull request !1113 from dengwentao/rts

Merge pull request !1155 from fary86/fix_bug_of_log_interface

Merge pull request !1158 from SJN/master

Merge pull request !1163 from YuJianfeng/bn_fusion_with_cast

Merge pull request !1165 from zhoufeng/new-control-sink-entry

Merge pull request !1015 from candanzg/me_with_shape

fix mem_reuse_allocator ReleaseNodeUnusedOutput

1.GLOG_v can not control log level of MindData
2.Sub module ids of some source files under directory `kernel` and `device` are incorrect
3.GLOG_v can not control log level when using dlog