Other: Update and rename CONTRIBUTORS

Consitency with README, LICENSE and CHANGELOG

Author: runegan

CONTRIBUTORS.md

@@ -0,0 +1,7 @@
+Andrew Macfarlane <andrew@vaporstack.org> (vaporstack.org)
+Jacob Danell
+Michael Delaney <michael@fusepilot.com> (fusepilot.com)
+Rafi Khan <rafikhan@gmail.com> (khanyu.com)
+Remco Janssen (klustre.nl)
+Rune Gangsø <runegan@gmail.com (runegan.no)
+Zack Lovatt <zack@zacklovatt.com> (zacklovatt.com)