pimterry/grunt-coveralls — pull request #5 by leobalter (2014-01-30 02:37:48+00:00)
Title: Warn mode: adds an option to only print a warn intead of an error

This option is interesting to not prevent the CI build if coveralls site is down.

It would be probably used on QUnit and other jQuery projects, as you can see on jquery/qunit#507