* Add run-time check that IO::Dirent is functioning correctly,
reported by Doug Lytle.
* Added comment to Cmd settings in conf/config.pl that they are
not executed by a shell, as suggested by Erik van Linstee.
* Added undefIfEmpty => 1 to lib/BackupPC/Config/Meta.pm for
RsyncRestoreArgs, TarClientRestoreCmd and SmbClientRestoreCmd
so that restores can be disabled by clear these fields in the
CGI editor. Patch supplied by Stephen Joyce
* Replaced the FAQ link with Wiki in the navigation bar and added
mention of the Wiki to the documentation. Since these navigation
bar links are specified in the config file, upgrades will keep
the old FAQ link. The FAQ opening page will have a prominent
link to the Wiki.