Add IsoTrackFilter for IsoTrack Selection
Add IsoTrack class for output

For IsoTrack, we include a new tag called IsEMCand. This is a tag of whether
this isotrack is from electron or muon, which is corresponding to e/m PF
candidates as neeeded in SUSY An-2013/089.
Add IsoTrack to Delphes Cards
Revert local changes
Remove my local configs
Initial objects in IsoTrackFilter
Merge pull request #3 from zhenbinwu/clean

Add IsoTrack to Delphes