add host to travis set up for integration tests
add host to travis set up for integration tests

postfix/boulder,benileo/boulder,devpaul/boulder,mehmooda/boulder,lmcro/boulder,patf/boulder,jcjones/boulder,r0ro/boulder,modulexcite/boulder,KyleChamberlin/boulder,benileo/boulder,letsencrypt/boulder,lucasallan/boulder,ibukanov/boulder,ZCloud-Firstserver/boulder,mozmark/boulder,julienschmidt/boulder,lmcro/boulder,deserted/boulder,jmhodges/boulder,KyleChamberlin/boulder,hlandauf/boulder,jmhodges/boulder,r0ro/boulder,bmw/boulder,josephyzhou/boulder,ibukanov/boulder,benileo/boulder,josephyzhou/boulder,lucasallan/boulder,patf/boulder,kuba/boulder,mozmark/boulder,mehmooda/boulder,jsha/boulder,julienschmidt/boulder,josephyzhou/boulder,jfrazelle/boulder,josephyzhou/boulder,modulexcite/boulder,jmhodges/boulder,jmhodges/boulder,ibukanov/boulder,deserted/boulder,KyleChamberlin/boulder,jcjones/boulder,bmw/boulder,jfrazelle/boulder,jsha/boulder,postfix/boulder,jfrazelle/boulder,sophie-h/boulder,letsencrypt/boulder,mommel/boulder,r0ro/boulder,mehmooda/boulder,patf/boulder,jfrazelle/boulder,KyleChamberlin/boulder,jcjones/boulder,julienschmidt/boulder,hlandauf/boulder,jcjones/boulder,julienschmidt/boulder,mozmark/boulder,kuba/boulder,postfix/boulder,benileo/boulder,letsencrypt/boulder,devpaul/boulder,lmcro/boulder,mozmark/boulder,lucasallan/boulder,devpaul/boulder,kuba/boulder,bmw/boulder,ZCloud-Firstserver/boulder,jsha/boulder,hlandauf/boulder,sophie-h/boulder,devpaul/boulder,lmcro/boulder,hlandauf/boulder,kuba/boulder,mommel/boulder,r0ro/boulder,modulexcite/boulder,deserted/boulder,postfix/boulder,ZCloud-Firstserver/boulder,mommel/boulder,mehmooda/boulder,sophie-h/boulder,deserted/boulder,mommel/boulder,ZCloud-Firstserver/boulder,patf/boulder,modulexcite/boulder