add basic support for aggregation framework.
add support for sub aggregations
upgrade to elasticsearch 1.0.0.RC1 - Fix CountDsl to reflect
elasticsearch breaking changes.
roll back SimpleQueryString changes from 0.90.x
Add fetchSourceContext and fields definitions to GetDsl
Upgrade to Elasticsearch 1.0.0 fixes #92
Fix nested mapping properties

Properties of nested types should be within a properties object.
Add cluster health query
Merge pull request #93 from stringbean/fix-nested-mapping

Fix nested mapping properties
Remove cache flags from parent/child filters

These are ignored in ES and no longer add the flags to the JSON
Add basic tests for cluster health
Merge pull request #94 from stringbean/cluster-health

Add basic cluster health request
Merge pull request #95 from stringbean/remove-parentchild-filter-cache

Remove cache flags from parent/child filters
Added DefinitionAttributeCutoffFrequency
#91 Marked jackson as optional
Merge pull request #90 from sksamuel/feature/source-and-fields-in-get-api

Add fetchSourceContext and fields definitions to GetDsl
#74 Opened builder for tests
Updated build.sbt for release 1.0.0.0.
Update README.md
Merge remote-tracking branch 'sksamuel/master' into elasticsearch-1.0

Conflicts:
	build.sbt
	src/main/scala/com/sksamuel/elastic4s/DeleteDsl.scala
	src/main/scala/com/sksamuel/elastic4s/MoreLikeThisDsl.scala
	src/main/scala/com/sksamuel/elastic4s/queries.scala
	src/test/resources/com/sksamuel/elastic4s/search_string.json
	src/test/scala/com/sksamuel/elastic4s/SearchDslTest.scala
	src/test/scala/com/sksamuel/elastic4s/UpdateTest.scala
Merge pull request #97 from nicoo/elasticsearch-1.0

Elasticsearch 1.0