Update to do comments.
A bit saner config management.
Make loading of saved model more sane.
Movement in text view should mark items as isRead.
Tweak config/saved model paths a bit further and start work on keeping
track of what errors occur during fetching of feeds.
Bump vty version (lots seem to have changed).
Start simplifying vty info, serialise the model using the cereal
library, add -threaded to ghc options.
Loosen the sodium cabal constraint.
Remove show and read instances of feeds, now that we use serialise
instead.
Refactor the model...
Add gitignore file.
Add travis.yml.
Add history to annotated feeds.
Show unread items in bold.
Make open url work again.
Refactor fetching code.