Fast ROOT file format based on PB. Fast hadd program using the PB file format.
Use Protocol Buffer from CMSSW Release
Minor stylistic fixes
Add conversion option from PB to ROOT format
Minor stylistic fixes
Enable reading PB files into DQMStore
Unit Test to check both ROOT and PB merging and timing
Improve tests on fasthadd
Add showusage() help message.
Add encoding from ROOT to PB format