intro lecture updates
notebook-ify the first lecture
added github URL for the spam image
breakout1 + solution added via notebook
edit keynote for lecture 1
added sponsor page
style.css from Fernando's nb-slideshow-template
copied from Fernando's nb-slideshow-template
Images for slides
Code to generate plots for slides
Nb 'slides' with live code at end.
Added a few styles: class, object, comment, etc.
Mostly removed output. Few minor changes.
Converted the 2012's slides, and added some intro.
Delete 2013_OOP1.ipynb

Deprecated. Renamed to OOP1.ipynb.
new homework #2 -- chutes and ladders monte carlo
added html version of homework
edits to intro lecture
bug fixes from last year's lecture in intro
moved breakout1 solution/question to its proper place