[TASK] fix travis build
[TASK] fix travis build

copy over config-example.json so ripple-rest has a config to work with
dinexcode/ripple-rest-dinex,dmathewwws/my-ripple-rest,ripple/ripple-rest,radr/radr-rest,bankonme/ripple-rest,hserang/ripple-rest,dmathewwws/my-ripple-rest,Treefunder/ripple-rest,dmathewwws/my-ripple-rest,lumberj/ripple-rest,sparro/ripple-rest,sparro/ripple-rest,xdv/ripple-rest