418212 - org.eclipse.jetty.spdy.server.http.SSLExternalServerTest
hangs.
403591 - improve the Blocking Q implementation.

Removed ConcurrentArrayBlockingQueue implementations as they were not
 up to par performance wise.
Improved HttpClient's proxy configuration by using Strings as
included and excluded addresses. This allows to pass in Strings such
as 127.0.0.1/8 or other wildcard formats.