New processors: PublishRedis and SubscribeRedis

[Букарев Александр]

Hi,
will it be interesting for anybody to get one more Redis processor I'm 
developing for internal usage?
The processor (actually 2 of them: PublishRedis and SubscribeRedis) implements 
topic and queue patterns on top of Redis. I have some plans to improve it in 
future, by the way, I'll be happy to contribute it to Apache NiFi. All the 
source code is here https://github.com/javajefe/nifi-redis-pubsub-bundle