Use travis for CI

Author: andrewvc

.travis.yml

@@ -0,0 +1,6 @@
+sudo: false
+language: ruby
+cache: bundler
+rvm:
+  - jruby-1.7.23
+script: bundle exec rspec spec && bundle exec rspec spec --tag integration

README.md

@@ -1,7 +1,6 @@
 # Logstash Plugin
 
-[![Build
-Status](http://build-eu-00.elastic.co/view/LS%20Plugins/view/LS%20Outputs/job/logstash-plugin-output-tcp-unit/badge/icon)](http://build-eu-00.elastic.co/view/LS%20Plugins/view/LS%20Outputs/job/logstash-plugin-output-tcp-unit/)
+[![Travis Build Status](https://travis-ci.org/logstash-plugins/logstash-output-tcp.svg)](https://travis-ci.org/logstash-plugins/logstash-output-tcp)
 
 This is a plugin for [Logstash](https://github.com/elastic/logstash).
 
@@ -86,4 +85,4 @@ Programming is not a required skill. Whatever you've seen about open source and
 
 It is more important to the community that you are able to contribute.
 
-For more information about contributing, see the [CONTRIBUTING](https://github.com/elastic/logstash/blob/master/CONTRIBUTING.md) file.
+For more information about contributing, see the [CONTRIBUTING](https://github.com/elastic/logstash/blob/master/CONTRIBUTING.md) file.