SENTINEL SET implemented.
SENTINEL SET implemented.

The new command allows to change master-specific configurations
at runtime. All the settable parameters can be retrivied via the
SENTINEL MASTER command, so there is no equivalent "GET" command.

hanmichael/redis,erwin00776/redis-2.8-optimize,enginekit/redis,jacklee0810/redis,ScottKaiGu/redis,Cybermaxs/redis,erwin00776/redis-2.8-optimize,adamweixuan/redis,kts12345/redis,StartTheShift/redis-shift,jaambee/redis,nandhanurrevanth/redis,sidsen/redis,kolonse/redis,upsoft/redis,Jonavin/redis,kolonse/redis,kts12345/redis,powerumc/MyRedis_old,jqk6/redis,quangnguyen90/redis,oaastest/redis,jaambee/redis,jacklee0810/redis,upsoft/redis,upsoft/redis,jaambee/redis,miminus/redis,ideaar/redis,hanmichael/redis,laurencee/redis,Jonavin/redis,StartTheShift/redis-shift,damy/redis,adamweixuan/redis,hanmichael/redis,janeasystems/redis,fanxu/redis,quangnguyen90/redis,adamweixuan/redis,erwin00776/redis-2.8-optimize,laurencee/redis,alpha8/redis,powerumc/MyRedis_old,Cybermaxs/redis,jqk6/redis,damy/redis,upsoft/redis,damy/redis,alpha8/redis,powerumc/MyRedis,laurencee/redis,upsoft/redis,Jonavin/redis,hanmichael/redis,oaastest/redis,liqiang199105/redis,ScottKaiGu/redis,jacklee0810/redis,alpha8/redis,fanxu/redis,jqk6/redis,ideaar/redis,ScottKaiGu/redis,sidsen/redis,oaastest/redis,powerumc/MyRedis,miminus/redis,jaambee/redis,powerumc/MyRedis,kts12345/redis,kolonse/redis,ScottKaiGu/redis,kolonse/redis,jqk6/redis,nandhanurrevanth/redis,powerumc/MyRedis_old,Cybermaxs/redis,enginekit/redis,janeasystems/redis,crask/redis-cutter,liqiang199105/redis,Jonavin/redis,crask/redis-cutter,janeasystems/redis,nandhanurrevanth/redis,shanegxxiao/redis,enginekit/redis,ideaar/redis,janeasystems/redis,fanxu/redis,alpha8/redis,quangnguyen90/redis,enginekit/redis,alpha8/redis,janeasystems/redis,Cybermaxs/redis,LittlePeng/redis,liqiang199105/redis,laurencee/redis,sidsen/redis,miminus/redis,kolonse/redis,shanegxxiao/redis,hanmichael/redis,sidsen/redis,LittlePeng/redis,adamweixuan/redis,damy/redis,quangnguyen90/redis,Cybermaxs/redis,jacklee0810/redis,enginekit/redis,ScottKaiGu/redis,shanegxxiao/redis,laurencee/redis,oaastest/redis,sidsen/redis,miminus/redis,ideaar/redis,shanegxxiao/redis,erwin00776/redis-2.8-optimize,powerumc/MyRedis_old,fanxu/redis,damy/redis,quangnguyen90/redis,crask/redis-cutter,jqk6/redis,liqiang199105/redis,LittlePeng/redis,miminus/redis,ideaar/redis,kts12345/redis,oaastest/redis,nandhanurrevanth/redis,nandhanurrevanth/redis,kts12345/redis,liqiang199105/redis,Jonavin/redis,StartTheShift/redis-shift,shanegxxiao/redis,adamweixuan/redis,jaambee/redis,sidsen/redis,jacklee0810/redis