commit all of Marshall's current code minor mods
resolve conflict with Schuyler's edits
resolve conflict with Schuyler's edits
Added modifications to the ipython notebook
Getting Schuyler's latest ipynb
Merge branch 'swolffbranch' of https://github.com/swolff9/mcfost-python
make .wavelengths a property rather than a constant for param files, so it updates if you change lambda_min or _max.
fix minor syntax errors
Add code to automatically clean up/delete any previous MCFOST output results when you run a new calculation that would write to the same output directory.
Improve object interface to images and SEDs.
Update and improve the notebook examples, for consistency with the current version of the package.
Merge pull request #5 from mperrin/master

Cleaned up plotting interface, demo notebook, and fix misc bugs.