QRDecomposition: fix stupid bug affecting mass constraints for k-factors


git-svn-id: svn+ssh://svn.cern.ch/reps/lhcb/Urania/trunk/PhysFit/B2DXFitters@167422 4525493e-7705-40b1-a816-d608a930855b
Disable LaTeX doc generation, and inline sources
Remove optimisation flags
Local modifications to the Makefile
Run on local ntuples (no AFS)
Relative local ntuple paths
Update local setup to work for Dsπ k-factors
Enable 4-momenta refit before k-factor evaluation
Change mass error scale for refit by 2^5 (play with it)