Remove dependency on docker-remote-api for gradle
Remove dependency on docker-remote-api for gradle

drewrobb/logstash,mesos/logstash,drewrobb/logstash,alex-glv/logstash,alex-glv/logstash,drewrobb/logstash,suppandi/logstash,frankscholten/logstash,alex-glv/logstash,suppandi/logstash,triforkse/logstash-mesos,kensipe/logstash,triforkse/logstash-mesos,frankscholten/logstash,mesosphere/logstash,mesos/logstash-mesos,mesos/logstash,kensipe/logstash,suppandi/logstash,frankscholten/logstash,mesosphere/logstash,drewrobb/logstash,mesosphere/logstash,triforkse/logstash-mesos,mesos/logstash-mesos,mesosphere/logstash,triforkse/logstash-mesos,frankscholten/logstash,kensipe/logstash,kensipe/logstash,suppandi/logstash,alex-glv/logstash