ElasticSearchRequest::search() - reduce max memory usage by 80mb for a search returning 6,000 results
ElasticSearchRequest::search() - Return _score data
ElasticSearchRequest::search() - Support min_score
Squashed commit of the following:

commit 308d46fdada9221757160f6dc4dc2fad12d4e1ec
Author: Matt Reishus <matt.reishus@audiologyholdings.com>
Date:   Wed Jun 18 14:03:30 2014 -0500

    ElasticSearchRequest::search() - Support min_score

commit af285ca3e97427e2f545de95245e42b2030ede20
Author: Matt Reishus <matt.reishus@audiologyholdings.com>
Date:   Wed Jun 18 13:31:37 2014 -0500

    ElasticSearchRequest::search() - Return _score data

commit fb81d3f9ddb6c9f7c7ed2da9c8745e1b7b62ab31
Author: Matt Reishus <matt.reishus@audiologyholdings.com>
Date:   Wed Jun 18 13:24:32 2014 -0500

    ElasticSearchRequest::search() - reduce max memory usage by 80mb for a search returning 6,000 results
Merge branch 'master' into dev