ClusterManager: fixed --cluster-from 'all' parsing
ClusterManager: fixed --cluster-from 'all' parsing

PKRoma/redis,neomantra/redis,antirez/redis,GitHubMota/redis,antirez/redis,ofirluzon/redis,GitHubMota/redis,neomantra/redis,neomantra/redis,soveran/redis,soloestoy/redis,pmem/redis,oranagra/redis,yossigo/redis,spinlock/redis,soveran/redis,spinlock/redis,antirez/redis,ctripcorp/redis,ofirluzon/redis,charsyam/redis,ofirluzon/redis,PKRoma/redis,GitHubMota/redis,pmem/redis,oranagra/redis,charsyam/redis,pmem/redis,oranagra/redis,ctripcorp/redis,PKRoma/redis,yossigo/redis,ctripcorp/redis,antirez/redis,ofirluzon/redis,charsyam/redis,PKRoma/redis,soloestoy/redis,soveran/redis,spinlock/redis,yossigo/redis,charsyam/redis,spinlock/redis,nnog/redis,nnog/redis,soloestoy/redis,oranagra/redis,ofirluzon/redis,soveran/redis,neomantra/redis,nnog/redis,neomantra/redis,GitHubMota/redis,soloestoy/redis,soloestoy/redis,nnog/redis,pmem/redis,charsyam/redis,oranagra/redis,yossigo/redis,PKRoma/redis,ctripcorp/redis,yossigo/redis