sanity checkpoints

After we supposedly shut down Folsom, actually check that it's all
the way down.

After we start grizzly, before we do anything, make sure that the
services look up, and the final vm that should have survived, did.

Change-Id: I13159c84444c3b3e9744acac7110b5cbd5ff9233
Swift updates

* Move swift ahead of glance in upgrade order as glance depends on swiftclient
* Add some test files to Javelin project Swift storage
* Remove call to swift_init()
  * (re)Create cache dir
  * (re)Mount backing disk
* Restore the Swift port defaults

Change-Id: I14c1d50c13563cbc5fbb71de014e318951b6f62b
Merge "Swift updates"