Feature - Spring Data Redis 3.0.0 module added

Fixed - PubSub subscription in cluster sometimes doesn't apply to all nodes
Fixed - command replies don't match if connection pool size < 10 and at least one command failed
Fixed - RLock throws CancellationException continuously
Fixed - None of slaves were synced error is thrown after failover during RLock acquisition
Fixed - AWS Elasticache cluster failover
Fixed - hRandFieldWithValues() and hRandField() methods of Spring Data Redis module throw ClassCastException
Fixed - trySetPermitsAsync() method of RPermitExpirableSemaphore object shouldn't allow to overwrite the number of permits if value == 0 (thanks @kscaldef)
Fixed - RKeys object doesn't use nameMapper
Fixed - connection leak after master failover