scylla-housekeeping requires to run 'restart mode' for check the version during scylla-server restart, which wasn't called on systemd timer so added it. Existing scylla-housekeeping.timer renamed to scylla-housekeeping-daily.timer, since it is running 'daily mode'. Fixes #1953 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1486180031-18093-1-git-send-email-syuu@scylladb.com>