suppress warning about .eslintignore when running ESLint
suppress warning about .eslintignore when running ESLint

beatfactor/mocha,igwejk/mocha,Hacker0x01/mocha,Khan/mocha,apkiernan/mocha,adamgruber/mocha,rlugojr/mocha,sul4bh/mocha,hoverduck/mocha,villesau/mocha,apkiernan/mocha,Hacker0x01/mocha,outsideris/mocha,hoverduck/mocha,apkiernan/mocha,boneskull/mocha,sul4bh/mocha,JohnnyEstilles/mocha,nightwatchjs/mocha-nightwatch,hoverduck/mocha,adamgruber/mocha,Khan/mocha,mochajs/mocha,rlugojr/mocha,menelaos/mocha-solarized,sul4bh/mocha,igwejk/mocha,mochajs/mocha,beatfactor/mocha,boneskull/mocha,adamgruber/mocha,beatfactor/mocha,hoverduck/mocha,boneskull/mocha,santiagoaguiar/mocha,villesau/mocha,Khan/mocha,rlugojr/mocha,mochajs/mocha,Hacker0x01/mocha,villesau/mocha,menelaos/mocha-solarized,nightwatchjs/mocha-nightwatch,santiagoaguiar/mocha,outsideris/mocha,JohnnyEstilles/mocha,menelaos/mocha-solarized,santiagoaguiar/mocha,JohnnyEstilles/mocha,nightwatchjs/mocha-nightwatch