Update to Elasticsearch 1.1.0

This removes the custom score and custom boost query APIs as they have
now been removed from ES.
Merge pull request #126 from stringbean/es-1.1.0

Update to Elasticsearch 1.1.0
Added overloaded index method
Moved package objects into top level
Update release information in README
Add support for raw doc query for percolate dsl
Merge pull request #128 from tovbinm/master

Add support for raw doc query for percolate dsl
Fixes #99 Add support for character filters
Remove coveralls step
update documentation to change example that didn't compile
Merge pull request #133 from mresposito/michele-updateDocs

update documentation to change example that didn't compile
Upgrade to Elasticsearch 1.1.1
Update README.md
add from and to options to facet API
merge with master
Merge pull request #134 from mresposito/michele-addRangeFacets

Michele add range facets
Removed pom build - moving entirely to SBT
Updated build for 2.11 cross building