Various bug fixes. Improved compatibility with convertonotebook script

tutorials/fit/ConfidenceIntervals.C

tutorials/fit/ErrorIntegral.C

tutorials/fit/fitLinear2.C

tutorials/fit/fitcont.C

tutorials/fit/fitslicesy.C

tutorials/foam/foam_demo.C

tutorials/foam/foam_demopers.C

tutorials/graphics/polytest2.C

tutorials/graphics/psview.C

tutorials/image/img2pad.C

tutorials/io/double32.C

tutorials/math/TSVDUnfoldExample.C

tutorials/math/kdTreeBinning.C

tutorials/math/mathcoreGenVector.C

tutorials/math/mathcoreVectorCollection.C

tutorials/matrix/invertMatrix.C

tutorials/matrix/solveLinear.C

tutorials/roofit/rf303_conditional.C

tutorials/roofit/rf510_wsnamedsets.C

tutorials/roofit/rf903_numintcache.C