Add SearchQuery class for storing parsed values and the result of a very
basic search query issued through the HTTP API
Add SearchPlugin.executeQuery() to run a query against the search engines
Add JSON.SearchTypeDeserializer helper to deserialize human readable query types
Add TSDB.executeQuery() to run the query against the configured search plugin
Add SearchQuery parse/format calls to the serializers
Add SearchRpc to run searches via the Http API