0.8

• fix container class on footer @kevinpapst
• fix notifications dropdown html @kevinpapst
• added multiple new language files @kevinpapst
• improve error page - allow long suggestion text, instead of short description @kevinpapst
• allow accesskey for keyboard shortcuts in buttons @kevinpapst
• handle null URL in navigation/menu models (#111) @kevinpapst
• Add more modal class blocks (#112) @cavasinf
• BugFix themes link (#113) @cavasinf
• link accordion docs (#114) @wucherpfennig
• Update theme override doc (#115) @cavasinf
• Add progress bar component (#117) @cavasinf
• Move Twig block "body-class" into the class attribute of BODY (#121) @Etrimi
• extract html head to include, prevent apps from showing up in search @kevinpapst
• Added wizard "template" (#118) @cavasinf
• added german translation for wizard @kevinpapst
• added card tabs navigation (#119) @cavasinf