updated tau discriminators
accomodate two possible locations of asrootpy according to rootpy version
new MET Phi correction for 2012 Rereco data
fix to avoid crashes
Added option to force lumi to a certain value, helpful when running without data
added option to run tauSpinner
new overlap points
tauSpinner output
added option to run tauSpinner, and copied the cfi from Christian's tarball.
added option to add extra weights to the FSAEvent
added fully recursive version of the struct
updated muon scale factors to 2012ReReco values