update list of datasamples
switch to PU distributions as used by HTauTau group
own seeds for electron regression based on datasetpaths
update PU input files
fixed embedding bug & added JEC uncertainties
removed white listing of grid sites
Merge branch 'master' of https://github.com/bkargoll/SkimProduction into bkargoll-master

Conflicts:
	CRAB/datasamples.dat
	CRAB/mcsamples.dat
Merge branch 'bkargoll-master'
Merge pull request #10 from anehrkor/master

Production_2014_May_23