cleanup
Merge branch 'master' of ssh://cms.hep.kbfi.ee/~joosep/singletop/stpol

Conflicts:
	CMSSW_5_3_11/src/SingleTopPolarization/Analysis/python/selection_step2_cfg.py
Merge branch 'master' of github.com:HEP-KBFI/stpol
improved logging
comments
added new utility to draw comparison plots side by side