ptspec: plot all mass range due to no 200
gp_panel: also scale data to cocktail
gp_ptspec: meanPtLMR yrange
gp_panel: add single medium contributions
ptspec: add model calculations to LMR plot
ptspec: LMR labels
ptspec: mean pT's same again
gp_rdiff: emhanceexcess (Frank, extrapolation)
panel/ptspec/rdiff: update scales after switch to 400 MeV pT bins