Pull #569: change travis arch to not use 'paid' credits
Pull #569: change travis arch to not use 'paid' credits

checkstyle/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution,rnveach/contribution,checkstyle/contribution,checkstyle/contribution,rnveach/contribution,rnveach/contribution,checkstyle/contribution,checkstyle/contribution,rnveach/contribution,checkstyle/contribution,rnveach/contribution