Fix spelling of "stand alone" in ascii art

Also unified the logic to match `genRedisInfoString`
Merge pull request #1895 from mattrobenolt/patch-1

Fix spelling of "stand alone" in ascii art
Cluster test: unit 06 cluster creation comment fixed.
Cluster test: unit 07, replicas migration.
Merge branch 'unstable' of github.com:/antirez/redis into unstable
* fixed doc URL for keyspace events