eric integration algorithm.

<p>A new tutorial macro <tt>rf902_numgenconfig.C</tt> has been added to <tt>$ROOTSYS/tutorials/roofit</tt>
to illustrate the use of the steering.

<p>A macro that demonstrates of the power of these newly interface numeric algorithms is provided at the
end of the RooFit section of the release notes.

<h4>Optional persistent caching of numeric integrals</h4>

<p>For p.d.f.s with numeric integrals that remain difficult or very time consuming,
a new persistent caching technique is n