Removed HTTP class in favor of HttpHeaders and HeaderElements classes

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1639706 13f79535-47bb-0310-9956-ffa450edef68
Set EmptyInputStream in entity instead of ContentLengthInputStream(inbuffer, 0)
Contributed by Dmitry Potapov <dpotapov at yandex-team.ru>


Conflicts:

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1639708 13f79535-47bb-0310-9956-ffa450edef68