HTTPCORE-368: Customizable buffer management strategies for SSLIOSession.
Contributed by offbynull <offbynull at gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1561282 13f79535-47bb-0310-9956-ffa450edef68
fix HTTPCORE-371 - support for SSL renegotiation


git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1563061 13f79535-47bb-0310-9956-ffa450edef68
HTTPCORE-370: Race condition if connection request succeeds and times out at the same time