TPad::Print did not acknowledge for the first creation of the PNG files
Fixed constness of array arguments to navigation methods in solids. Added method stubs for shape navigation API, implemented as loops - to be overwritten by shapes.
  o RooMinimizer

    - Add methods to change max iteration and max function calls in minuit
    - Add accessor to underlying ROOT::Fit::Fitter object
  o RooMinimizer

    - Run all operations that run via the RooMinimizerFcn object
      via the cloned instance inside the fitter instead of the
      original owned by RooMinimizer so that they also function
      as expected after the first fitting operation
Now if `TGraph::Draw()` is invoked without parameter and if there is no axis defined in the current canvas, the option `ALP` is automatically set.
Synchronization with the trunk
Merge branch 'v5-34-00-patches' of https://root.cern.ch/git/root into v5-34-00-patches
Implement a dummy version of TH2Poly::Merge
In case of automatic computation of the legend items' size, the  text size was wrong if the font precision was set to 3.
doc update
Merge branch 'v5-34-00-patches' into development