Ignore coveralls module when checking for unused dependencies
Ignore coveralls module when checking for unused dependencies

It is installed on Travis as part of the PR builds

fatso83/Sinon.JS,mroderick/Sinon.JS,cjohansen/Sinon.JS,mroderick/Sinon.JS,fatso83/Sinon.JS,fatso83/Sinon.JS,cjohansen/Sinon.JS,cjohansen/Sinon.JS,mroderick/Sinon.JS