Merge pull request !1663 from wukesong/change_network_path

Merge pull request !2272 from wangnan39/remove_dataset_send_from_model_init

Merge pull request !2282 from chenzhongming/master

Merge pull request !2299 from yihuaijie/slice

Merge pull request !2300 from Peilin/ToNumberOp

remove graphengine changes

concat op

Truncate Pair

concat_op

remove graph engine changes

ToNumberOp implementation almost done

ToNumberOp complete

ci fix

ci fix

ci fix

ci fix

ci fix

ci fix

ci fix

ci fix

ci fix

ci fix

merge conflicts

Merge pull request !2318 from h.farahat/duplicate_op

Merge pull request !2314 from imaaamin/object_ops_pr

Merge pull request !2253 from nhussain/concat_op

Merge pull request !2317 from ZiruiWu/vocab_rework

remove graphengine changes

concat op

Truncate Pair

concat_op

remove graph engine changes

Merge pull request !2274 from xunxue/padend

Merge pull request !2316 from JunhanHu/alter_node_cpp

added two ops for object detection, random horizontal flip with bbox and bouding box augment. along with their unit tests

phase II vocab rework

added more test cases

fix api doc string

address review cmts and fix CI

address ci complains

fix review cmts

ci

Merge pull request !2258 from ZiruiWu/fix_api_doc

addr review cmts

revert

ci

private class

ci

fix ci

address ci

address review cmts

fix style err

Merge pull request !2244 from kouzhenzhong/minddataset_get_args

Merge pull request !2202 from yuchaojie/transformer

Merge pull request !2290 from yanzhenxiang2020/aicpu_param_open

Merge pull request !2273 from lichen/fix_embeding_look_up

Merge pull request !2211 from h.farahat/pair_truncate

Merge pull request !2281 from zyli2020/add_sigmoid

Merge pull request !2279 from zyli2020/add_model_script_of_wide_deep_for_gpu

Merge pull request !2221 from yao_yf/model_zoo_wide_deep_modify

Merge pull request !2185 from kouzhenzhong/wide_deep_dataset_graph

Merge pull request !2266 from luoyang/update

Merge pull request !1993 from luoyang/pylint

Merge pull request !2239 from liyong126/csv_to_mindrecord

Merge pull request !2275 from Xiaoda/4-fix-the-embeddinglookup-errors

Merge pull request !2296 from yangjie159/fix-export-lite-model-for-gpu