Code review comment for lp://staging/~waigani/juju-core/lxc-trusty-autostart

LGTM with comment embellishment

https://codereview.appspot.com/56370043/diff/1/container/lxc/lxc.go
File container/lxc/lxc.go (right):

https://codereview.appspot.com/56370043/diff/1/container/lxc/lxc.go#newcode112
container/lxc/lxc.go:112: // Now symlink the config file into the
restart directory, if it exists
I think it'd be good to add a comment as to when it does/doesn't exist.
i.e. that this is for backwards-compatibility, and the directory no
longer exists from trusty.

https://codereview.appspot.com/56370043/