REF: Organize Fitter file structure.
more doc tweaks
more doc tweaks
remove old wrapping and models
move fitter.py to ui/basefitter.py, update imports
import Fitter from ui in __init__.py
complete move of fitter.py to ui/basefitter.py
Merge branch 'reorg_fitter'
add ui to setup.py
remove components from Model.__init__ args
more doc changes
clean up cruft
make Model.func_allargs, etc to private vars
more doc
renamed ModelFitResult to ModelFit
more doc fixes
Check whether IPython is active and working.
Merge pull request #133 from newville/master

Reorganizes Fitter
Merge pull request #1 from danielballan/newville_master

Check whether IPython is active and working.
tweaked tests for ipython