Merge pull request #9 from anehrkor/master

Production_2014_May_23
save p4 of leptons used for MVA-MET calculation
Merge remote-tracking branch 'upstream/master'
Merge pull request #5 from anehrkor/master

Merge fix of memory leak for JECUnc
delete some objects to free memory
Merge pull request #10 from bkargoll/master

Fix memory leak