Examples needed by the doxygen version of the documentation for graf2d/graf
Finally fix pattern filling on Windows (it never worked properly)
use gStyle->GetLegendFillColor() in ctor
Merge branch 'master' of https://root.cern.ch/git/root
Opacity in color wheel.
Vc: update to Vc 0.7 branch, soon 0.7.4

This is the vanilla Vc 0.7 branch. It overwrites any changes that were
committed to the Vc copy in ROOT that have not been submitted/merged
upstream.

Signed-off-by: Matthias Kretz <kretz@kde.org>
Merge from 5.34 patches:

Fix calculation of extended term for weight2 likelihood. This fixes the problem observed with getting the correct errors in weighted extended likelihood fit.
See http://root.cern.ch/phpBB3/viewtopic.php?f=15&t=16917&p=75834#p75834

Note : the version of RooNLLVar on the master was different than 5.34 patches
Add namespace ROOT in const.h
Hmmm. Why is this 0.5??? And fix the tutorials.
Reapply patch to fix Vc math tests on macos
Re-apply patch to disable warnings on Clang
Fix TTreeCache::SetEntryRange to properly take into account learning phase.

This is a tweak on commit 475165c0e15ed5019c2ce675650435b829d0a03f and fixes
the issue ROOT-6103.
Do not hard code the X11 include directory
Opacity for GUI
Simple/extended radial gradients.
Add a support for a 'simple' radial gradient (with center/radius only).
Implement axis zooming with move opaque
Ok, histogramms are boring, make a really nice demo for the new radial gradients.
Delete a canvas if the graphics back-end is not TGCocoa.
Make it also ACLiC'able.