* Add topi adaptive_pool

* Use adaptive_pool to compute global_pool

* Add relay adaptive pool2d

* Fix lint

* Fix typo

* Minor change

* Change support level to 10

* Add contrib

* Remove global pool schedule

* Add contrib module

* Fix lint

* Update doc

* Update doc

* Fixed issue #3069 by adding in_channels

* Registerd group_conv2d_nchw as topi compute

* Improved by checking tag value

* Removed group_conv2d_nchw topi registration

* Added test for relay group_conv2d_nchw

* Added assertions to forbid small group size

* Removed hard-coded oc_block_factor

* Added explanatory comments to group_conv2d_nchw_cuda

* Updated group_conv2d_nchw_cuda schedule

Removed 'direct' CUDA tests

* Reverted an accidental change in a conv2d test

* Fixed indentation problems

* Fixed a mis-commented line

* Reverted change in group_conv2d_nchw tag

* Removed commented int8 group_conv2d test

* Fixed group size assertions in group_conv2d_nchw_cuda

* [HEADER] ASF header dir=include

* [HEADER] ASF Header dir=src

* [HEADER] ASF Header -dir=python

* [HEADER] ASF header dir=topi

* [HEADER] ASF Header dir=nnvm

* [HEADER] ASF Header -dir=tutorials

* [HEADER] ASF Header dir=tests

* [HEADER] ASF Header -dir=docker

* fix whitespace

* [HEADER] ASF Header -dir=jvm

* [HEADER] ASF Header -dir=web

* [HEADER] ASF Header --dir=apps

* [HEADER] ASF Header --dir=vta

* [HEADER] ASF Header -dir=go

* temp

* [HEADER] ASF Header --dir=rust

* [HEADER] Add ASF Header --dir=cmake

* [HEADER] ASF Header --dir=docs

* [HEADER] Header for Jenkinsfile

* [HEADER] ASF Header to toml and md

* [HEADER] ASF Header to gradle

* Finalize rat cleanup

* Fix permission

* Fix java test

* temporary remove nnvm onnx test

* Add tests for batch_flatten and softmax

* Softmax is already tested elsewhere

[RELAY][OP] Operators.  	 pool2d, global_pool2d, batch_flatten, tanh, sigmoid, floor, ceil, trunc, abs, negative, multiply, mod, pow,  resize (#1813)