Merge pull request #175 from wwt/updating-code-of-conduct

Removes Richard Gist as point of contact from Code of Conduct and replaces with Matt Hartfield.

.github/CODE_OF_CONDUCT.md

@@ -55,7 +55,7 @@ further defined and clarified by project maintainers.
 ## Enforcement
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be
-reported by contacting the project team at Richard.Gist@wwt.com or Tyler.Thompson@wwt.com.
+reported by contacting the project team at Tyler.Thompson@wwt.com or Matt.Hartfield@wwt.com.
 All complaints will be reviewed and investigated and will result in a response that
 is deemed necessary and appropriate to the circumstances. The project team is
 obligated to maintain confidentiality with regard to the reporter of an incident.