Merge pull request !1606 from caojian05/ms_master_dev

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

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