Merge pull request !1609 from yanghaitao/yht_subsetrandomsampler

Merge pull request !1591 from yanghaitao/yht_celeba_get_dataset_size

Merge pull request !1598 from gukecai/reorder-genmask

Merge pull request !1603 from wandongdong/master

Merge pull request !1604 from Margaret_wangrui/handle-tuple-in-CreateNewCNode

Merge pull request !1438 from chenweifeng/getnext

Merge pull request !1521 from chenweifeng/empty_input

upload fasterrcnn scripts

modify dataset

modify pylint for fasterrcnn

fix pylint for fasterrcnn

modify pylint for fasterrcnn

fix fasterrcnn script pylint

modify pylint for fasterrcnn

fix pylint

modify bug for fasterrcnn

add readme

remove download

fix config instances

FasterRcnn scripts update

Merge pull request !1580 from caifubi/fix-multi-graph-device-resource-bug

Merge pull request !1578 from gengdongjie/master

Merge pull request !1593 from yangzhenzhang/reshape-optimized

Merge pull request !1583 from Xiaoda/add-error-info-in-edge-creating

Merge pull request !1586 from ms_yan/take_split_format

Merge pull request !1503 from lianliguang/master

Merge pull request !1522 from 何霞/graph_order

Merge pull request !1551 from wandongdong/master

Merge pull request !1556 from suteng/wnd

Merge pull request !1576 from huanghui/master

Merge pull request !1488 from fangzehua/fzh_edit

Merge pull request !1257 from candanzg/implicit_type_conversion2

Merge pull request !1568 from seatea/fix-pylint-warning

Merge pull request !1385 from amongo/SupportMultiSwitch

Fix an error.

Merge pull request !1555 from wangnan39/fix_bug_in_check_lamb_warmup_step

Merge pull request !1433 from leopz/tensor_base

Merge pull request !1564 from jiangjinsheng/issue_doc

Merge pull request !1565 from ZPaC/add-protection-in-cross-entropy

Merge pull request !1478 from luoyang/pylint

Merge pull request !1549 from yanghaitao/yht_tfreadop_equal_rows_hang

Merge pull request !160 from chenhaozhe/fix-performance-in-incubator