Fix issue reported at <https://savannah.cern.ch/bugs/?77706> Namely support the option 'a' for TGraphs in TTree::Draw (delegate the axis management to the TGraph object)
Fix issue reported at <https://savannah.cern.ch/bugs/?77706>
Namely support the option 'a' for TGraphs in TTree::Draw (delegate the axis management to the TGraph object)


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@37953 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT