* Adds a first pass of REVIEWING.md
* Update REVIEWING.md
* Clarifies better what files can be in the header.
* More clarity on how to resolve jenkins build errors.
* Adds a link to the Code Review Guidelines to README.md
* Adds code review guidelines link to contributing.md
* Clarifies trello procedures.
* Adds warning that NON_MATCHING equivalence isn't reviewed for yet.
Kenix3