cosmetic updates to steerings and updates to README, REFERENCES

git-svn-id: https://svnsrv.desy.de/basic/h1fitter/trunk@1603 b2a8d302-ca0a-427a-b7b9-081adbce06bc
more recent reference to FastNLO added

git-svn-id: https://svnsrv.desy.de/basic/h1fitter/trunk@1604 b2a8d302-ca0a-427a-b7b9-081adbce06bc