Try to fix Travis credentials (again)
Try to fix Travis credentials (again)

Last set of credentials were generated without running travis login.

tsandall/opa,Eva-xiaohui-luo/opa,open-policy-agent/opa,timothyhinrichs/opa,Eva-xiaohui-luo/opa,timothyhinrichs/opa,tsandall/opa,open-policy-agent/opa,Eva-xiaohui-luo/opa,open-policy-agent/opa,timothyhinrichs/opa,timothyhinrichs/opa,open-policy-agent/opa,tsandall/opa,timothyhinrichs/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa,open-policy-agent/opa,tsandall/opa