add zookeeper support

• push logs to kafka through zookeeper.
• use kafka-rb of https://github.com/ops-baidu/kafka-rb.git
• jiuze#baidu.com

config example

<match kafka.*.*>
  # plugin type (requried)
  type kafka

  # product & service (requried)
  product aqueducts
  service astream

  # buffer config (only requried in development mode, defalut value is ok for production.)
  host 192.168.1.20
  port 2181

  # interval (optional, but it may affect the latency.)
  flush_interval 1s
</match>

Fluent::Plugin::Kafka

TODO: Write a gem description TODO: Also, I need to write tests

Installation

Add this line to your application's Gemfile:

gem 'fluent-plugin-kafka'

And then execute:

$ bundle

Or install it yourself as:

$ gem install fluent-plugin-kafka

Usage

TODO: Write usage instructions here

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Added some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request