Change amqp -> rabbitmq for variable and documentation
Change amqp -> rabbitmq for variable and documentation

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