Disable ignore_older by default (logstash-plugins#146)

* Disable ignore_older by default

Fixes logstash-plugins#130

reduce logging at info level (logstash-plugins#141)

Add host to @metadata like path, in case event also contains field of…

… same name

Fixes logstash-plugins#136

dependency logstash-core-plugin-api >= 1.60 <= 2.99

Merge remote-tracking branch 'upstream/master' into fix/relax-constra…

…ints

relax multiline to 3.0

Fixes logstash-plugins#123

version 3.0.0

dependency logstash-core-plugin-api ~> 1.0

create 2.2.4 as 2.2.3 was yanked

dependency logstash-core > 2.0.0 < 6.0.0.alpha1