Ignore output directories.
Add script to reprocess 2010 ntuples.
Reprocess MC data as well.
Refactor ntuple classes.

Extract out common information, provide a slightly more obvious
API.
Merge branch 'analysis' into fitting
Just enough to get the fits working again.

With the new 2011/2012-formatted 2010 ntuples.
Still plenty of cleaning up to do.