Removed print statement
enter now opens the current article in a new tab
Added expandable info to feed manager list, and other changes

Other changes:

* Restructured template inheritance to simplify overrides
* Started refactor of javascript code in new feeds.js
* Added missing code to update an item that has changed
* Fixed check_feeds so it doesn't remove unread items
* Changed check_feeds to stop it from wiping all entries on partial failure (#6)
Merge branch 'enter-opens-current-article' of https://github.com/russkey/django-yarr into russkey-enter-opens-current-article
Disabled default key events for recognised shortcut keys
Added V key shortcut for keypress
Added Feed unread/total cache, entry expiry

Added two south migrations:

* 0004, schema; adds the cache fields and an expiry field
* 0005, data; populate the cache fields

Modified models and views to update the caches when required.

Feed.check() now marks entries for expiry, rather than deleting immediately.
Merge branch 'dev'
Moved resources; added link for Firefox handler
Added link to delete a feed
Added escapes to unsafe fields in api_feed_get response
Bump version to 0.3.6