add a user model/login/logout pages.
small ui tweaks. other cleanup stuff
switch to my fork of feedzilla to reduce double entries.
fix the tests
update title with unread count. robustify feed fetching a bit.
tweaks in feedzirra fork for atom author.
heroku stuff
add heroku rake task to run every 4 hours
try out heroku.json
allow groups to be parsed in opml import, closes #12
move mark all as read to command, add test. shuffle into some partials.
start first run experience.
style import feed step.
bump polling frequency.
remove story author, unneeded and causing headaches
poll feeds every hour.
modify log-in unit tests.
prettify inputs.
add redirects once first-run is done.
fix tests.