added 1.8.1 release notes

added 1.8.1 release notes

added 1.8.1 release notes

Docs18 (ROCm#1673)

* Added release notes.
* Added pooling and 3-d convolution documentation.

Tagging commit for rocm release 2.3

Updated release notes.

Updated release notes.

Merge branch '1.7.x' of github.com:AMDComputeLibraries/MLOpen into 1.7.x

Doc updates for 1.6 release (ROCm#1315)

* Fusion and miopen.h doc updates.

* Adding fusion and readme changes, plus debugging environmental variables.

* Added 1.6 release notes.

* updated the supported fusions table

* Fixed comments on PR. Updated release notes and date.

* Changed Roc to roc.

* Added version for rocBlas

* added minimum rocblas version

* updated date

* Added Winograd debug flags.

* Added a dependency path cmake example

* removed a 1

* Updated date

Merge pull request ROCm#1147 from AMDComputeLibraries/deven-amd-patch-1

Getting Started Guide Updates