Add async-http-client dependency.
Start to implement asynchronous API.
Trying to parse Solr result using SolrJ's XMLResponseParser.
Add an experimental version of AsyncSolrClient.
Encode query string.
Add an example of async API.
Call AsyncHttpClient#close() after callback invocation.
Use AsyncHttpClient#closeAsynchronously() instead if close().
Add asynchronous deleteById method.
Create AsyncHttpClient instance by factory.
Async API moved to Future based.
Add withTransaction.
Fix typo in Scaladoc.
Improve asynchronous API.
Simplified async API and added some Scaladoc.
Revived withTransaction() and use it in register() and deleteById().
Implemented async version of all SolrClient methods.
Add Scaladoc.
Add withTransaction for blocking API.