[pkg-go] fleet is marked for autoremoval from testing

[Debian testing autoremoval watch]

fleet 0.13.0+dfsg-1 is marked for autoremoval from testing on 2017-01-14

It is affected by these RC bugs:
848810: fleet: FTBFS: dh_auto_build: go install -v -p 1 github.com/coreos/fleet/fleetd github.com/coreos/fleet/fleetctl returned exit code 2

It (build-)depends on packages with these RC bugs:
846542: etcd: FTBFS in testing (undefined: grpc.SupportPackageIsVersion3)