Merge pull request !2122 from guozhijian/add_set_dataset_size_for_minddataset

Merge pull request !2073 from wandongdong/r0.3

Merge pull request !2070 from chenzupeng/r0.3

Merge pull request !1948 from zhaoting/r0.3

Merge pull request !2049 from panfengfeng/update_mobilenetv2_codes

Merge pull request !2041 from chenzhongming/r0.3

Merge pull request !1677 from linqingke/r0.3

Merge pull request !1683 from wanghua/r0.3

Merge pull request !1676 from VectorSL/r0.3

Merge pull request !1671 from z00378171/r0.3

Merge pull request !1656 from SanjayChan/r0.3

Merge pull request !1657 from zongha/r0.3

Merge pull request !1645 from yao_yf/WideDeep_ModelZoo_r0.3

Merge pull request !1621 from meixiaowei/r0.3

Merge pull request !1630 from yangyongjie/r0.3

Merge pull request !1588 from VectorSL/r0.3

Merge pull request !1509 from ms_yan/r0.3_split

Merge pull request !1526 from heleiwang/r0.3_mv

for thor ops

for impl of 2nd-order and format

for format

for pylint 2nd

for pylint 3rd

for pylint 4th

for pylint 5th

for pylint nth

for comments

for debug

for DEBUG

for DEBUG

for DEBUG

for DEBUG

for well performance

for pylint

for te chip

for pylint

for pylint nth

for modification of comments

Cleanup dataset UT: restore config support