[2.3.x] Changes for https://java.net/jira/browse/GRIZZLY-1647 (RFC 6265 Cookie support broken when serializing client cookies.)
[2.3.x] + implement task #1648
https://java.net/jira/browse/GRIZZLY-1648

"Expose default Buffer sizes for TCPNIOTransport.read() and HTTP OutputBuffer.write()"