Module cluster flags: add hooks for NO_FAILOVER flag.
Module cluster flags: add hooks for NO_FAILOVER flag.

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