Force RSpec to use coloured output on Concourse
Force RSpec to use coloured output on Concourse

[ci skip]

[#133046105]

ekaranto/rails4-bluemix-buildpack,ekaranto/rails4-bluemix-buildpack,cloudfoundry/ruby-buildpack,cloudfoundry/ruby-buildpack,jumptvs/BP_Ruby,jumptvs/BP_Ruby,cloudfoundry/ruby-buildpack,jumptvs/BP_Ruby,ekaranto/rails4-bluemix-buildpack,cloudfoundry/ruby-buildpack,jumptvs/BP_Ruby,cloudfoundry/ruby-buildpack,ekaranto/rails4-bluemix-buildpack