Added fallback images and replaced old images by Titan ones
Added exception handling to animation classes to avoid hard crashes of SkinEngine
Added new PriorityBindingConverter to be used in MultiBindingMarkupExtension
Moved ContentBackground from master_bare to master_menu, make use of PriorityBinding to allow derived screens to change margins
Changed TVGuide style, using master_menu as base and defining smaller margins
Margins adjustments to fit pages that use master_bare