v2.0b3

Brief 2.0 pre-release.

Warning: this pre-release is English-only.

Changes since 2.0b2:

• Fixed: unread counts are not updated when a feed is included/excluded in Today.
• Fixed: unread counts are not updated when a feed or folder is deleted.
• Fixed: switching between full and headlines mode does not work with nested folders.
• Fixed: too long folder name causes horizontal scrolling in the feed list.
• Fixed: deleting the home folder breaks Brief forever. The home folder will now be recreated as needed.
• Make sync with Firefox bookmarks faster with lots of feeds.