added muon pt scale corrections; fixed bug with muon/electron resolution
added new variables from nTuples
updated SkimSummary, listofdatasets.txt and DataSetsAndSkims.txt to
Production_2014_Aug_15; added JER correction methods to
Ntuple_Controller
added scale/resolution corrections in several more functions
Merge pull request #33 from anehrkor/master

bug fixes and updates for Production_2014_Aug_15