Merge pull request #13 from beckermr/master

slight refactor to help with complicated merges
cleanup, print chi2per
fixed merge conflict
removed mcfit
import Namer
use namer
don't import lmfit
moved old stuff to old dir
fixed mangled merge for FromAlmostFullParsGuesser
bug in import
removed unused functions
docs
docs
remove dead code
added more imports.  Fixed minor bugs
another test config
added a simple iter+emcee tester in nfititer.MedsFitEmceeIter
working on emcee only
incorporate mcmctester
some tools for working with autocorr