Version bump to 0.5-alpha.
Update to Hybrid Core 1.5.
Update to Hybrid Core 1.5.1.
Update to use the Hybrid Core stylesheet naming method.
Use the Hybrid Core scripts and styles features.
Use 'Style Name', not 'Stylesheet Name'.
Update copyright dates to 2013.
Update copyright date.
Update text strings for translation.
Version bump to 0.5.