Add 'f' shortcut to go to feeds page.
Update keyboard shortcut screenshots
Loosen unprintable character sanitization

We were too aggressive with our fixing of #295. [:print:] is catching \r\n, so let's explicitly fix the weird JSON unicode chars (this aligns with the rack fix as well: https://github.com/rack/rack-contrib/pull/37/files).
Merge pull request #314 from swanson/fix-old-mac-line-endings

Loosen unprintable character sanitization to not remove valid line-endings
Add migration to correct unicode issues that were resolved by #295
Merge pull request #313 from swanson/add-migration-to-fix-unprintables

Add migration to correct unicode issues that were resolved by #295
Merge pull request #310 from zigdon/master

Add 'f' shortcut to go to feeds page.
Fix CSS for keyboard shortcut modal
Replaces postgres by mysql2. Ignores database.yml
Adds whenever with schedule
Replaces unicorn by puma
Adds logging for FetchFeeds tasks
Don't check for published date when finding new stories
Adds capo for deployment
Adds airbrake
Adds newrelic
Adds puma capo recipe
Set puma_cmd in capistrano to use the config and start one thread with one worker.

The thread/worker config is a workaround for newrelic:
https://github.com/puma/puma/issues/128
Add groups for feeds in Fever API