HTTPCLIENT-1461: fixes performance degradation in gzip encoded content processing introduced by HTTPCLIENT-1432

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/branches/4.3.x@1569328 13f79535-47bb-0310-9956-ffa450edef68
HTTPCLIENT-1462: include source port, host information in the debug level output

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/branches/4.3.x@1569329 13f79535-47bb-0310-9956-ffa450edef68