update README instructions
Update Scalaz and Spire versions

[none]
Merge pull request #5 from pthariensflame/master

Update Scalaz and Spire versions
add MathJax
style fiddling
Feed fixes
draft post: Deriving type class instances, part 1
publish post: Deriving type class instances, part 1
blog: minor updates
README: how to use mathjax
blog: minor updates
typo
Update Scalaz version

7.0.0 -> 7.0.1
Merge pull request #6 from pthariensflame/patch-1

Update Scalaz version
Update scalaz version

7.0.1 -> 7.0.2
Merge pull request #7 from pthariensflame/patch-1

Update scalaz version
Intro to Gen. Num. Prog. blog post.