Add a test for missing files.
Make the logs optional.
Add TODO comments.
Log missing files.
Add one more TODO.
Merge pull request #1258 from ericsnowcurrently/backups-missing-logs

Make log files optional in a backup archive.

https://bugs.launchpad.net/juju-core/+bug/1398448

(Review request: http://reviews.vapour.ws/r/572/)
Convert funcs to vars for monkey patching
Actions :: Enhance TestFindActionTagsByPrefix
Move tests to state package, address reviewer feedback
Not ready to expose nowToTheSecond yet; document and make private again
group all vars, consts, and types together
remove one word comments