Rename `ElasticSearch` to `Elasticsearch`

https://github.com/elasticsearch/elasticsearch/issues/4634
Fix percolator tests
Fixed inheritance of mapping.IndexOptions objects
Merge pull request #85 from instanceofme/patch-1

Fixed inheritance of mapping.IndexOptions objects
Add rawQuery. Fixes #83
Merge pull request #86 from sksamuel/feature/raw-query

Add rawQuery. Fixes #83
Fixing tests
Added Routing to Mappings to enable index routing
Tweaked placement of new classes
Merge pull request #88 from Synata/master

Enable Routing in Mappings
Updated for elasticsearch RC2
Updated readme with instructions for 1.0 snapshot
Add snapshot repository sample for sbt