add the gemspec java platform

Fixes #17
do not generate raw field for message
remove duplicated code
remove the gem from the gemfile
bump version
adding the logstash 1.5 dependency in the gemfile
rename elasticsearch.rb to elasticsearch_spec.rb
minimal fix to make run the test
remove the path to the devutils
Adding a tag to exclude the protocol integration test
change runtime dependency
bump version to 0.1.8
Change email for info@elasticsearch.com
fix the format for the docs style

Fixes #19
Add missing base64 require

Fixes #20
moved the require to the place to source which uses it

Fixes #20
Bump version to 0.1.9

Fixes #21