Merge pull request #47 from gentoo/master

Fix https://bugs.gentoo.org/show_bug.cgi?id=398431
openrc shutdown bug fix (hasufell)
add some verbose nonfatal error messages

Hitting those cases will not break the browser profile
(however he will probably lose all changes since last sync),
but indicate a problem with the user setup or service
shutdown process. This can happen e.g. when $VOLATILE gets unmounted
before the psd unsync in the shutdown process.