better logo
removes personality tests
mathjax
css improvements
more scss/site improvements
add analytics template
add new logo
essay edition updates
remove intro cruft
fix typo
typo corrections
add post-receive script
style updates
rename to "Haskell for group theorists"
first attempts at all-git method
add group implementation code
add space after revision id
add missing tab in code block
github links for revision ids in footer