Update to ElasticSearch v1.0.0.RC1 + bump to v1.4.0-SNAPSHOT
Support use_dis_max and tie_breaker. Closes #1

Simplify code a bit, less BooleanQuery/Filter wrapping
Add test for the use_dis_max and tie_breaker parameters
Fix the QueryBuilder, add getters in query, add dismax integration test
Document use_dis_max and tie_breaker.
[maven-release-plugin] prepare release v1.4.0