Fixed style check violations (tabs)

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1557059 13f79535-47bb-0310-9956-ffa450edef68
Upon response completion HttpAsyncRequestExecutor to request output only if the underlying connection is still open

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1557060 13f79535-47bb-0310-9956-ffa450edef68