[master] + fix issue #1711
https://java.net/jira/browse/GRIZZLY-1711
"org.glassfish.grizzly.asyncqueue.TaskQueue implementation jams up if the pending queue size total matches the max queue size exactly"
[master] + tiny refactoring
[master] + fix issue #1709
https://java.net/jira/browse/GRIZZLY-1709
"[AJP] Glassfish/Grizzly Memory Leak in Glassfish 4"
[master] + fix issue #1712
https://java.net/jira/browse/GRIZZLY-1712
"Grizzly NIO selectors running postponed tasks indefinitely causing high CPU usage"
[master] + improve CloseReason and tests