[2.3.x] Javadoc fix.
[2.3.x] Changes for https://java.net/jira/browse/GRIZZLY-1539 (Need a way to bind the client connection to a particular interface when making the outgoing connection.)
[2.3.x] Fix for https://java.net/jira/browse/GRIZZLY-1540 (grizzly-servlet fails to compile with the final Servlet 3.1 api.).
(cherry picked from commit aa7736819b46a4df59a968884cd1796d9b8cae20)