fleet: run tests in a docker container
fleetd: log version at start-up
Merge pull request #950 from jonboulle/version

fleetd: log version at start-up
ssh: drop privileges for TestWrongHostKeyFile
engine: all engines now log when a change in ownership is detected.

Engine.lease contains the current lease regardless if the instance is a leader or not.

Fixes #740
Merge pull request #946 from epipho/740-engine-lease-log

engine: all engines now log when a change in ownership is detected.
Merge pull request #951 from epipho/docker-test

fleet: run tests in a docker container
Merge pull request #947 from jonboulle/host_keys_fail

Tests fail in docker
scripts: chmod +x scripts/build-release
scripts: move contrib/fleetct-inject-ssh.sh to scripts/
scripts: move contrib/schema* to scripts/
Merge pull request #956 from bcwaldon/reorg-scripts

Consolidate scripts and contrib
doc: move fleet API config info
Merge pull request #962 from bcwaldon/api-doc-sock

doc: move fleet API config info
fleetctl: unload should print to stdout
Merge pull request #967 from jonboulle/unload_stderr

fleetctl: unload should print to stdout
etcd: set minimum TLS version to 1.0 (disable SSL3)
Merge pull request #970 from jonboulle/tls

etcd: set minimum TLS version to 1.0 (disable SSL3)
docs: clarify bidirectional MachineOf requirements are unfulfillable
Merge pull request #976 from jonboulle/machineof

docs: clarify bidirectional MachineOf requirements are unfulfillable