Update bower to 1.6.5
Update bower to 1.6.5

qnyp/heroku-buildpack-ruby-bower,moneyadviceservice/heroku-buildpack-ruby-bowndler,zoomer/heroku-buildpack-ruby-bower,zoomer/heroku-buildpack-ruby-bower,moneyadviceservice/heroku-buildpack-ruby-bowndler,qnyp/heroku-buildpack-ruby-bower