address Islandora-CLAW/CLAW#537 (#37)
address Islandora-CLAW/CLAW#537 (#37)

* edit contributing.md

* fix documentation for Islandora-CLAW/CLAW#537

* fix documentation for Islandora-CLAW/CLAW#537

* address Islandora-CLAW/CLAW#537

* address Islandora-CLAW/CLAW#537

Islandora-CLAW/Alpaca,dannylamb/Alpaca