Try to remove frame from toolbar on Windows 8.
Send invite on returnPressed.
* Auto resize tophits view and limit it to 20 tracks.
* Fixed AudioEngine not correctly emitting stopped().
* Updated copyright in about dialog to 2013.
Automatic merge of Transifex translations
* Temporary fixes until PlaylistChartItemDelegate becomes a proper PlaylistItemDelegate.
* Manual signal connect is obsolete.
* Use an AlbumItemDelegate for Artist page.
* Use the same color for drawing charts-position & album-position.
* Support external links in artist biographies.
* Fixed Artist & Album page layout when the items don't fill up the entire view.
* Always enfore the vertical scrollbar on Artist & Album pages to get rid of flickery resizing.
* Style fixes in WhatsHotWidget.
* Don't pre-initialize the charts widget. This will require some more changes in WhatsHotWidget - to be discussed with Hugo.
* Updated AUTHORS file.
* Updated ChangeLog.
* Fixed english source translation.
* Fixed pt_BR translation.
* Updated authors in about dialog.