Modified checkQuality and eval_focus_serie in order to work with subwindows with a single star.
Added first version of BD NL correction (correct_nonlinearity.py)
Added first version of JM NL correction based on initial version of BD.
Added some minor update to doc files
New improvements to NLC and conversion to MEF(mef.py).
Implemented NLC in reductionset.py in pipeline.
Several improvements for easy inspection of FOCUS series during AIV with StartSimulator; now filenames are printed in plot, and best Focus values is also printed in QL Console-gui.
Added some features and fixes for new Focus evaluation for AIV with Star Simulator.
Found a bug in dark processing ''Key imcmb not found''. It is produced only when executed from reductionset.py.
Merge branch 'master' into limpia

Conflicts:
	doc/diary.txt
	reduce/reductionset.py