hakyll-init journal
migrate journal/site.hs -> journal.hs
move content to root
rm journal.cabal
adjust spacing
declare OverloadedStrings in .cabal file
reorganize imports
use infix mappend
ignore /journal (link to build executable)

This link makes it easy to `cabal build` and test without having to do a
`cabal install`.
ignore /_cache/ /_site/
initialize using hakyll-init