* [RUNTIME] Add cudnn conv3d

* add output checking to test_cudnn.verify()

* fix tests failure

* revised per as review comments

* unify conv_output_shape, conv_find_algo and conv_forward

* convert python list to tvm.array in conv_forward

* revise per as comments

* 'pass as reference' for vector args

* add back con2d/3d seperated implementation

* remove unused included header

* remove extra std::vectors

* remove unused header

* add half and mix precision support to cublas backend

* add TensorCore support in CuDNN

* enhance CuDNN support

* address comments and fix lint

* fix

* add fp16 test

* [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

* use cudnn findalgo to choose the best algo

* fix lint

* [Contrib] CuDNN v7 Support

* Add test