Cleaning up data/* and moving old unfolding.py to legacy
Some cleaning up
Added an exception for trying to unfold zero data, added unfolding unit tests
Fixing some warnings
Merge pull request #86 from senkin/unfolding-tests

Unfolding tests
Merge pull request #85 from kreczko/config_changes

Config changes
Added the tag instructions
added new ntuple_info script
small fixes
updating rootpy
added cross checks for fitting
Added function for cleaning the control region, adjusting the histogram boundaries, and calculating the best minimum and maximum
added roofit examples
first draft of a simultanous fit