Merge pull request !3703 from JoyLvliang/r0.6

Merge pull request !3718 from chenzhongming/r0.6

add mindspore.hub and change model_zoo

Merge pull request !3681 from ms_yan/vgg_r0.6

merge the script

optimize the script

repair problem in vgg16 cifar10 version

optimize the vgg script

Merge pull request !3584 from guansongsong/gss/fix_cache

Merge pull request !3604 from peixu_ren/r0.6

Merge pull request !3634 from lianliguang/r0.6

Merge pull request !3530 from hewei/fix_parameter_bug_r0.6

1. Parameter's init_data() should have no effect if default_input already set;
2. This bug is introduced by 'decouple ParamValue from python';
3. An unit test case is added to ensure the right init_data() behavior.

Merge pull request !3471 from guozhijian/fix_autocontrast_equalize_support_uint8

Merge pull request !3463 from xulei/tmp_0.6

Merge pull request !3458 from panfengfeng/fix_getdataset_size_error_r0.6

Merge pull request !3389 from riemann_penn/merger_sparse_hot_fix_to_r0.6

Merge pull request !3379 from caojian05/ms_master_dev

Merge pull request !2410 from huanghui/insert-memcpy-async-pass

Merge pull request !3315 from yao_yf/restore_auto_parallel_reshape_ut

Merge pull request !3180 from alashkari/update-aug-ops-2

Merge pull request !3265 from hewei/decouple_ir_optimizer

Merge pull request !3312 from JoyLvliang/Relax-the-threshold-of-pynative-resnet50-performance-st

Merge pull request !3288 from yangzhenzhang/delete-useless-code

Updated Validators.py

Fixed UA UT

Fixed UA UT

Fixed PyLint Errors

Added aditional changes

remove old golden AutoContrast UT file

updated Autocontrast python UT

Added golden files

Fixed issue

fixed UT

Merge pull request !3201 from JonathanY/main

Merge pull request !3176 from 34bunny/GPU-ResizeNearestNeighbor

Merge pull request !3300 from ZPaC/new-feature-of-ps