HTTPCORE-372: Chunk decoders to throw an I/O exception if data stream is terminated without a closing chunk
Contributed by Dmitry Potapov <potapov.d at gmail.com>

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1565641 13f79535-47bb-0310-9956-ffa450edef68
Enforce message constraints in chunk decoders (both blocking and non-blocking)

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1567099 13f79535-47bb-0310-9956-ffa450edef68
HTTPCORE-373: out of sequence HTTP response causes NPE in HttpAsyncRequestExecutor

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk@1567105 13f79535-47bb-0310-9956-ffa450edef68
Initial implementation of the server side request pipelining