update with release notes for 1.4.0 release (apache#13657)

* update with release notes for 1.4.0 release

* addressed feedback from December 17

addressed feedback from December 17 except ngraph related comments.

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update News.md

removed nGraph integration from 1.4.0 release notes

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Update NEWS.md

Co-Authored-By: srochel <[email protected]>

* Updates to address feedback until 12/17

updates to address feedback from szha@, pengzhao-intel@ and TaoLv@

* including Aaron changes for SVRG

Co-Authored-By: srochel <[email protected]>

* Apply suggestions from code review

Co-Authored-By: srochel <[email protected]>

* Apply suggestions from code review

Co-Authored-By: srochel <[email protected]>

* Apply suggestions from code review

Co-Authored-By: srochel <[email protected]>

* Apply suggestions from code review

Co-Authored-By: srochel <[email protected]>

* Address code review feedback

Addressed more of Aaron's comments and requests.

* more updates on review feedback

Address all of Aaron's feedback, except question regarding Jira and Test section.

* Apply suggestions from code review

Co-Authored-By: srochel <[email protected]>

* Apply suggestions from code review

Co-Authored-By: srochel <[email protected]>

* final updates from review feedback