adding logstash plugin for blueflood
Merge pull request #11 from rackerlabs/master

Merging rackerlabs:master changes
adding the ability to process dictionary metrics
adding a hack to process json in a way that blueflood will like
added some error checking for different formats, added conf file to test hash metrics
adding the right configuration for testing hash metrics
fixed review comment - do not need content type to be configurable, since it always should be json for bf
using string formatting
fixed the names of the class, and the name of the json_metrics
Merge pull request #12 from GeorgeJahad/george/logstash-changes

fixed the names of the class, and the name of the json_metrics
Adding support for including only numeric metrics for now
Documented each field
Add an overrideable, default config ttl value.
manually merging george's ttl changes
Removed tabs
Now includes an actual variable in the json string, so you can see it.
Also fixed the key name to json_metric.
Added some defaults
Merge pull request #14 from GeorgeJahad/master

Merging George's changes
Fixed indentation.
fixed json metric name; removed hash_metric default; @format is no longer a config var, but is now determined by json/hash metric values.