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>
(cherry picked from commit e82932b774)