443652 - Remove dependency on java.lang.management classes

* Created safer Uptime singleton for use
* Removed direct references to java.lang.management from
   - Server.java
   - Log.java
   - AbstractLifeCycle.java
better debug
Merge branch 'jetty-9.2.x' of ssh://git.eclipse.org/gitroot/jetty/org.eclipse.jetty.project into jetty-9.2.x
452261 - Multiple servlets map to path *.jsp when using jsp-property-group
452246 Fixed SSL hang on last chunk

Fixed WriteFlusher to distinguish between a flush that consumes all content and returns false, from one
that consumes all content and returns true.
If false is returned, the flusher needs to remain in pending so encrypted buffers can be flushed.
451634 DefaultServlet: useFileMappedBuffer javadoc is misleading
452246 Fixed SSL hang on last chunk

Back ported refinements from 9.3 to handle empty arrays
453386 - Jetty not working when configuring QueuedThreadPool with minThreads=0.

Fixed by properly initializing the queue capacity and by making sure
that if minThreads=0 at least one thread is always started to handle
the job.
Updated ALPN version to 7.1.2.v20141202 and 8.1.2.v20141202.
Updated ALPN version to 7.1.2.v20141202 and 8.1.2.v20141202 in *.mod
files.
453793 - _maxHeaderBytes>0 is not verified in parseNext() when in State.CLOSED.

Added expression to check whether _maxHeaderBytes>0.
set for release
update javadoc for DoSFilter
[maven-release-plugin] prepare release jetty-9.2.6.v20141203
[maven-release-plugin] prepare for next development iteration
453829 Added HeaderRegexRule

Also-by: Charlie Kim <charlesk@yahoo-inc.com>
Signed-off-by: Greg Wilkins <gregw@intalio.com>
453829 removed code with yahoo copyright
[maven-release-plugin] prepare release jetty-9.2.6.v20141203
[maven-release-plugin] prepare for next development iteration
453801 Jetty does not check for already registered services when bootstrapping