updated PDFWeightsCycle
Merge branch 'master' of https://github.com/UHHAnalysis/SFrameAnalysis

Conflicts:
	Makefile
bugfix of top pt reweighting
Merge branch 'master' of https://github.com/UHHAnalysis/SFrameAnalysis

Conflicts:
	src/AnalysisCycle.cxx
jet pT re-weighting
Merge branch 'master' of https://github.com/UHHAnalysis/SFrameAnalysis
electron iso rho