dependency logstash-core >= 2.0.0.beta2 < 3.0.0

bump dependency on logstash-mixin-rabbitmq_connection

dependency logstash-core >= 2.0.0.snapshot < 3.0.0

Declare a dependency on logstash-core snapshot instead of the release…

… version

Bump march hare to 2.12.0

Fixes logstash-plugins#37

Added example for hand testing

Fixes logstash-plugins#33

bump to 1.0.0

bump version

Remove traces and references the meta logstash gem and change it to u…

…se the new logstash-core gem.

New contributors file, without selfish mode on