Created notebooks from roofit, fixed some old tutorials

tutorials/image/imgconv.C

tutorials/math/TSVDUnfoldExample.C

tutorials/math/mathcoreVectorCollection.C

tutorials/math/mathcoreVectorIO.C

tutorials/math/testUnfold5a.C

tutorials/roofit/rf101_basics.C

tutorials/roofit/rf102_dataimport.C

tutorials/roofit/rf103_interprfuncs.C

tutorials/roofit/rf104_classfactory.C

tutorials/roofit/rf105_funcbinding.C

tutorials/roofit/rf106_plotdecoration.C

tutorials/roofit/rf107_plotstyles.C

tutorials/roofit/rf108_plotbinning.C

tutorials/roofit/rf109_chi2residpull.C

tutorials/roofit/rf110_normintegration.C

tutorials/roofit/rf111_derivatives.C

tutorials/roofit/rf201_composite.C

tutorials/roofit/rf202_extendedmlfit.C

tutorials/roofit/rf203_ranges.C

tutorials/roofit/rf204_extrangefit.C