update the version of debian in kitchen for testing
Changes to support the new install using logstash 1.4.

+ Download the tarball instead of the jar
- Remove the lib directory
+ Update the attributes with some new options
- Remove attributes for JVM startup
- Remove unused es home variable
+ Update start script to use new env vars
+ Update start script to start the new `bin/logstash`
update the integration tests
fix ownership issues by having the logstash user do the untaring
bump the version
Merge pull request #9 from orgsync-cookbooks/logstash-1.4

Logstash 1.4 updates