update data_replica to the latest cvs version. Patched in order to be able to stage out on eos.
Merge pull request #3 from amarini/master

data_replica update & patched
changes to reduce ntuple size
Merge pull request #11 from matteosan1/master

changes to reduce ntuple size
trying again
Merge pull request #12 from matteosan1/master

Real changes to reduce ntuple size in >61X