Update CONTRIBUTORS.md
Update CONTRIBUTORS.md
collinmesser/esfiddle,collinmesser/esfiddle,asiyani/esfiddle,vcapretz/esfiddle,esfiddle/esfiddle,joshghent/es6-fiddle-web,jmcriffey/es6-fiddle-web,joshghent/es6-fiddle-web,esfiddle/esfiddle,vcapretz/esfiddle,asiyani/esfiddle,esfiddle/esfiddle,jmcriffey/es6-fiddle-web