[master] minor cleanup
[master] implement improvement #1650
https://java.net/jira/browse/GRIZZLY-1650
"Glassfish AJP connector has fixed max packet size (should be configurable)"
[master] fix a typo (thanks to Ryan) :)
Fixed issue #1659
https://java.net/jira/browse/GRIZZLY-1659 "In some cases, a failed notification is not called in processing multiparts"