HTTPCLIENT-1493: Indiscriminate connection checking has been deprecated in favor of conditional connection state validation. Persistent connections are to be re-validated only after a defined period inactivity prior to being leased to the consumer.
HTTPCLIENT-1480: convenience methods for HC fluent to set auth hosts
Javadoc fixes
Updated building instructions: added Windows native module and raised minimal Java to 1.6
Updated release notes for HttpClient 4.4-alpha1 release