Allow HTTP version to be absent in apache logs of HTTP/1.0 requests
Allow HTTP version to be absent in apache logs of HTTP/1.0 requests

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