Chaned dependency of TF1, right now doesn't derive from TFormula, instead has object of it
Resolved Segmentation faults, fitting works
Fix compilation for RooAbsReal (change in TFormula API) and remove TFormulaPrimitive
fixed roofit, added tests, fix in TFormula,TF1
SetParName added, GetParName fixed
Various fixes for new TFormula
Apply several fixes for Tf1/TFormula  in particular:
	- fix for linear fitter
        - fix copy constructors
Fix TF1 destructor:  remove functions form gROOT list of functions
Support for multidimensional parametrized functions in TFormula
remove a debug statement
rename TFromulaPrimitive tvo TFormulaOldPrimitive
Add Print() method
Add support for ROOT::Math functions
Fix a bug in re-placing parameter counts in composition of pre-defined functions (e.g gaus(0) + gaus(3) )
Add default "" in Print("")
Fix a problem in replacing x -> x[0]  on all platforms