Fixed typo.
Various updates.
Added Github link.
Add Disqus to pages.
Add favicon
Update favicon code.
Added Naive Bayes notes.
Merge pull request #1 from jstnhuang/nb

Added Naive Bayes notes.
Update README.md
Initial commit of notes on proofs using truth tables.
Checkpoint.
Added truth table generator.
Add hiddenExprs option to truthtable.js
Added content for proofs using truth tables.
Fixed merge conflict.