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Merge branch 'master' of https://github.com/juju/juju into 141-names-refactor-part-x
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Merge branch 'master' of https://github.com/juju/juju into 141-names-refactor-part-x

Conflicts:
	state/apiserver/admin.go
	state/initialize_test.go
	state/state_test.go
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Merge branch '158-lets-have-less-copies-of-the-tagged-authenticator-interface' into 141-names-refactor-part-x
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fixed apiserver/common tests
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Start switch to using api for machine upgrade after restore
Merge branch 'master' into backup-ssh
Use juju status to get machine address
Use tag rather than whole machine
Merge branch 'master' of https://github.com/juju/juju into 141-names-refactor-part-x

Conflicts:
	state/apiserver/common/environmachineswatcher.go
	state/apiserver/common/environmachineswatcher_test.go
	state/apiserver/common/environwatcher.go
	state/apiserver/common/environwatcher_test.go
	state/apiserver/common/interfaces.go
	state/apiserver/firewaller/firewaller.go
	state/apiserver/provisioner/provisioner.go
	state/apiserver/root.go
	state/apiserver/uniter/uniter.go
Fixed uniter and tests