Merge pull request #77 from jjacob/master

Configuration file changes for running analysis
fix bug: wrong folder for HT qcd estimation
Merge pull request #79 from phy6phs/phil

fix bug: wrong folder for HT qcd estimation
variable vs vertices plots added
take out of mc only loop
Merge pull request #80 from phy6phs/phil

variable vs vertices plots added
Adding top pt reweighting settings to ConfigFile.h and .cpp
Updating python config files with top pt reweighting flag, jet smearing and correcting file paths.
Taking requirement for matched jet energy to be non-zero into the previous if statement (previously the separate if statement was causing it to miss
some jets in an event).