adding new redis 'pattern_channel' input support for PSUB
adding new redis 'pattern_channel' input support for PSUB

opentable/logstash-kafka,opentable/logstash-kafka,Aloomaio/logstash-kafka,joekiller/logstash-kafka,joekiller/logstash-kafka,tinglinux/logstash-kafka,tinglinux/logstash-kafka,Aloomaio/logstash-kafka