CommaFeed extension for Firefox per CommaFeed

# Changelog

## [3.3.2]

- decrement badge unread count when clicking on the button and the option to open the next unread article is selected
- when an error occurs while fetching unread count, display "?" on the badge

## [3.3.1]

- give focus to the iframe to make keyboard shortcuts work without requiring an initial click

## [3.3.0]

- let the app update the badge unread count
- allow opening tabs in the background with the "b" keyboard shortcut
- open options when the extension is installed the first time

## [3.2.0]

- add a button in the popup to configure the extension
- add a button in the popup to open CommaFeed in a new tab

## [3.1.0]

- add the option to open the next unread article in a new tab

## [3.0.2]

- increase popup height to make sure profile menu is entirely visible when shown

## [3.0.1]

- make badge refresh work

## [3.0.0]

- add the option to read CommaFeed articles directly from the extension popup
- completely rewrote extension to be cross-browser