HTTPCLIENT-1491: Enable provision of Service Principal Name in Windows native auth scheme
Contributed by Malcolm Smith <malcolmfsmith at gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1583331 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1492: connection time to live not settable via HttpClientBuilder
Contributed by Matt Inger <mattinger at yahoo.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1583590 13f79535-47bb-0310-9956-ffa450edef68
Delegate decision about null target host to route planners

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1585663 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1494: null check in StringBody constructor

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1585944 13f79535-47bb-0310-9956-ffa450edef68
Support for shared connection managers

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1587507 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1495: shut down standard connection managers only once

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1587883 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1497: Allow zero SO_LINGER (immediate abortive close)
Contributed by Dmitry Potapov <potapov.d at gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1589359 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1498: empty host in redirect location causes NPE

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1591221 13f79535-47bb-0310-9956-ffa450edef68
Use a separate setter for shared connection manager flag

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1593923 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1508: use actual JRE version when generating default User-Agent header

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1594805 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1507: clarified behavior of CloseableHttpResponse#close()

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1596521 13f79535-47bb-0310-9956-ffa450edef68
Replaced dynamic proxies with custom proxy classes to reduce thread contention

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1596653 13f79535-47bb-0310-9956-ffa450edef68
Apply initial socket parameters prior to bind operation

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@1596951 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1449: split AbstractVerifier into AbstractBaseHostnameVerifier and AbstractCommonHostnameVerifier the former implementing cert extraction logic while the latter implementing CN and SubjectAlts extraction and validation logic
HTTPCLIENT-1434: add singletons for TrustSelfSignedStrategy and hostname verifiers