add comments
get headlines with own function, for easily overriding
Columns Component - set second gt class on 620px to break 4-col to 2-col
Fix loadAfterSave for Form

Every field in form can set loadAfterSave
Activate loadAfterSave for Cards Component

Since the Cards Component uses the same id for all child components it
is possible that data is shared. Hence all tabs have to be reloaded
when one tab is saved.
Get content width correctly even when selected component is not an image component
headlines for headline componente can be set as setting in component

tag and class can be set separate for every headline