Add is_starred column for stories table
Add starred function to story repository to get all starred stories
Add /starred controller and update js to add starred feature
Merge remote-tracking branch 'upstream/master' into add-starred-feature

Merge most updated upstream source.
Merge upstream source
Add starred option to archive and news page
Add starred page and locales
Merge remote-tracking branch 'upstream/master' into add-starred-feature

Merge upstream source
Add hotkey 's' to toggle between starred and unstarred status
Merge remote-tracking branch 'upstream/master' into add-starred-feature

Merge upstream source
Add another star icon before feed title to show star status
A small improve on UI.
Fix a bug: add stopPropagation to escape open a story when you click on
the star icon.
Add some test for starred feature
Add user-agent
Add test suite for JavaScript

Can be run with `rake test_js`
JS: Story only calls methods on collection if present.
Run JavaScripts headless on travis
Start `rake test_js` as daemon
small style tweaks; fix problem with starred pagination
Merge branch 'pr/145'