LOG4J2-1576 added revapi:check goals to build and revapi:report goals to site. Ignoring Scala modules (no previous version to compare against)

LOG4J2-1591 Introduced new interface LifeCycle2 with stop(long,TimeUnit) method to avoid breaking backwards compatibility with new Configurator.shutdown(LoggerContext, long, TimeUnit) API.

LOG4J2-1581 Unregistering JMX components no longer prints a stack trace when the MBean has already been unregistered.

LOG4J2-1590 Fixed issue with filters extending AbstractFilter that did not override methods with unrolled varargs.

LOG4J2-1583 Fixed scrambled log messages triggered by nested logging from toString() method of a logging parameter object.

changes.xml.

Site documentation and changes.xml update.

Use final.

Don't share a Bindings object accross script invocations. Instead,
create a new Bindings objects and share ConcurrentMap for the scripts
static variables.

Add a "logEvent" variable as input to the Routes script.

Method private since the return value is a private interface.

Remove unused import.

Remove unused lvar.

Add a shared ConcurrentMap for the RoutingAppender's start script and
the Routes route choosing script.

Better test fixture.

Better test fixture.

@SuppressWarnings("hiding").

nit.

unused imports (forgot).

status logger static with subclasses instead of each subclass defining
its own reference.

status logger static with subclasses instead of each subclass defining
its own reference.

LOG4J2-1051 suppress the stack trace for well-known lookups regardless of which Interpolator constructor is used