Add a simple feed edit view
Implement a feed update action
Add a flash message on successful update
Use PUT to update a feed
Copy: Update -> Save
Merge pull request #318 from Koronen/edit-feed-ui

Edit feed UI
Add ability to edit feed name, closes #319
Update translations
Fix code tags overflowing container, closes #315
Style stories marked as "keep unread"

Adds styling to stories marked as "keep unread", so they can be distinguished
from never-read stories.

Fixes #210.
Merge pull request #323 from Koronen/style-keep-unread-stories

Style stories marked as "keep unread"
Enable gzip compression when parsing feeds, closes #324
Add support for Heroku button; move docs around a bit
Add new translations
app.json: use main repository URL for logo
Merge pull request #326 from InPermutation/master

app.json: Add "repository" metadata
svg badges using shield.io
Merge pull request #327 from InPermutation/svg-badges

svg badges
Change FetchFeed consturctor to use named parameters

This way you can initialize the FetchFeed class with passing a custom
logger, but without having to pass a parser.
Update translations