[2.3.x] Incremental changes for https://java.net/jira/browse/GRIZZLY-1574 (Fix object Builders to avoid unexpected object modification).
[2.3.x] Incremental changes for https://java.net/jira/browse/GRIZZLY-1574 (Fix object Builders to avoid unexpected object modification).
[2.3.x] + add logging info
[2.3.x] + Implement improvement #1578
https://java.net/jira/browse/GRIZZLY-1578

"Propagate InputStream mark/reset support to the Grizzly Servlet layer"
[2.3.x] + Implement task #1577
https://java.net/jira/browse/GRIZZLY-1579

"Removed masked LinkedTransferQueue class"
[2.3.x] + leftover after: Implement task #1577
https://java.net/jira/browse/GRIZZLY-1579

"Removed masked LinkedTransferQueue class"
[2.3.x] + leftover after: Implement task #1577
https://java.net/jira/browse/GRIZZLY-1579

"Removed masked LinkedTransferQueue class"
[2.3.x] + as Ryan suggested moving isUnsafeSupported() under JDKVersion
[2.3.x] Fix copyrights.