Don't attempt to translate the year for audio file year meta.  strtotime() doesn't work for some.  However, the current implementation doesn't work either.
Remove screen_icon() from theme-settings.php since this has been deprecated in core WP.
Inline docs and code formatting cleanup.
Bring in latest version of Get the Image script.
Bring in latest widgets from the Widgets Reloaded plugin.
Bring in some fixes from Widgets Reloaded.
Update copyright dates.
Version bump to 2.0.0-beta-1.