Merge branch 'release/2.0' into develop
Issue #66: Update feed parser to avoid crashes due to malformed feeds.
Add retina icons for the menu bar.
Fix ended ribbons in Mountain Lion and Mavericks.
Avoid crashes when dealing with feeds with empty urls.
Update translations.
Update translations.
Bump version
Update translations.
Update credits for translators.
Merge branch 'release/2.1'