Alternate fix for https://java.net/jira/browse/GRIZZLY-1594 (ReadHandler callbacks should not be performed in I/O thread.)
  (Thanks Alexey)
+ Minor update for the latest fix for https://java.net/jira/browse/GRIZZLY-1594 (ReadHandler callbacks should not be performed in I/O thread.)
+ fix SameThreadIOStrategy suspend/setManualIOEventControl, allow to disableIOEvent just once per context life-cycle
+ implement improvement #1596
https://java.net/jira/browse/GRIZZLY-1596
"Input/OutputBuffer notification has to be performed in the HttpHandler.getThreadPool() thread"
+ fix new findbugs issues
+ fix the issue #1600
https://java.net/jira/browse/GRIZZLY-1600

"Redundant attempt to resolve a host name during AJP request parsing"