- New options in TStyle::Setxxx fonctions setting axis parameters.

  For example, one can do : gStyle->SetLabelFont(72,"xyz")
  to set the font for the 3 axes x,y,z

- Change print format precision from 9.5g to 9.9g in TTreeFormula::PrintValue.


git-svn-id: http://root.cern.ch/svn/root/trunk@51 27541ba8-7e3a-0410-8455-c3a389f83636