Update to work with influxdb 0.9 - try 2

[timgriffiths]

So this captures everything that is in pull request #29 but also handle all the special "characters" the influxdb protocol wants your to treat in a special way, ie spaces and commas and equal signs.

[elasticsearch-release]

Jenkins standing by to test this. If you aren't a maintainer, you can ignore this comment. Someone with commit access, please review this and clear it for Jenkins to run; then say 'jenkins, test it'.

[contentfree]

@timgriffiths, You've got to sign the CLA. (I think you said you had in #29, but it doesn't appear so here)

[timgriffiths]

I really thought i did ... let me try again

Created: 2/1/16
By: CLA Committers (committers@elasticsearch.com)
Status: SIGNED
Transaction ID: CBJCHBCAABAAEUxKCiz3OGog52g8P8osKhzO52D6mVUs

[timgriffiths]

Now doubly signed up

Created: 2/3/16
By: CLA Committers (committers@elasticsearch.com)
Status: SIGNED
Transaction ID: CBJCHBCAABAA6SjtIjPPAI_VAHThA0sINoFQ4njqOKNX

[suyograo]

Tests pass

suyog@machine:~/ws/elastic/ls_plugins/logstash-output-influxdb (pr/30)$ bundle exec rspec
Using Accessor#strict_set for specs
Run options: exclude {:redis=>true, :socket=>true, :performance=>true, :couchdb=>true, :elasticsearch=>true, :elasticsearch_secure=>true, :export_cypher=>true, :integration=>true, :windows=>true}
.........

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9 examples, 0 failures

Randomized with seed 25191

Also confirmed CLA