added simple functional tests for chunked encoding and non chunked encoding
added helper method in mutablehttpservletrequest to retrieve entity length based on data within the servlet input stream
added handling of an empty request body
renamed unit test
added chunked-encoding behavior config to http connection pool service
wired in chunked-encoding logic. repose can be configured to always send chunked encoding or attempt to retrieve the entity length from the input stream of the request body
added warning for chunked-encoding configuration
functional tests for chunked-encoding config for http connection pool service
enhanced chunked encoding test to deal with modifying request body within repose
fixed documentation on http-connection-pool config for chunked-encoding attribute
fixed functional test to stop/start repose for every test
Merge branch 'master' into B-56201-chunked-fix
Merge branch 'B-56167' of github.com:rackerlabs/repose into B-56201-chunked-fix
added accept-encoding header to list of headers to split