[master] Incremental changes for https://java.net/jira/browse/GRIZZLY-1519 (Introduce cookie parsing/serializing based on http://tools.ietf.org/html/rfc6265)
(cherry picked from commit 7f5e6d4)
[master] Fix for https://java.net/jira/browse/GRIZZLY-1530 (Please add descriptive text for IllegalArgumentException if "Cookie:" is empty)
(cherry picked from commit 57c6dcd)