Merge pull request #2 from joearasin/master

Update for elasticsearch 0.18.7
updated and cleaned up tests
added pig logs to gitignore
cleaned up documentation, round 1
cleaned up documentation, round 1
added apache license
Fixed Wonderdog for Pig 0.10 by checking the conf object if the call to the hadoop cache misses
Merge pull request #11 from rjurney/master

Fixes Wonderdog Pig 0.10 compatability issues and issues 5, 6, 7 and PIG-2792
added new classes (ElasticSearchStreamingOutputFormat, ElasticSearchStreamingOutputCommitter) to allow working with hadoop-streaming-0.20.2, which uses the deprecated org.apache.hadoop.mapred API and not the newer org.apache.hadoop.mapreduce API.
streaming output works in test cluster
got reading working at least once
no need to log each scroll ID when scanning through a search
works with elasticsearch v 0.19.8
added ruby gem layer
hi travis
spec'd and working
configure should return original settings
 no more need for wu-hadoop-es
type => mapping throughout to prevent confusing with _type key
it's iso8601