Merge pull request #75 from phy6phs/phil

Added top pt reweighting
fixing issue with incorrect errors
Merge pull request #76 from kreczko/master

Fixing MC errors in histograms
Committing the latest version of python/master_2012_cfg.py with the latest re-reco C and D samples.
Commiting modified version of start_2012_analysis.sh with PDF samples split into groups of <8 to avoid the previous problems on soolin.
Merge pull request #77 from jjacob/master

Configuration file changes for running analysis
fix bug: wrong folder for HT qcd estimation