unexport NewStoreManager
unexport NewStore
unexport NewStoreManager
unexport Store
Merge pull request #1161 from davecheney/217-state-multiwatcher-cleanups

state: unexport private types

Unexport a bunch of private types that are not required to be public after the `state/multiwatcher` merge

(Review request: https://reviews.vapour.ws/r/472/)
Merge branch 'master' of https://github.com/juju/juju into migrate-status-constraints-annotations

Conflicts:
	state/megawatcher.go
Merge branch 'master' of https://github.com/juju/juju into migrate-status-constraints-annotations

Conflicts:
	state/megawatcher.go