don't reopen already open lightbox

fixes problem when double-clicking next button in lightbox and the lightbox was hidden completely
Fix lightbox opening

fix error introduced with previous commit
wrong cover settings on welcome images
if non-default db is used add to uniqueIdentifier

fixes problem with columns cache that used uniqueIdentifer in cacheId
Kwc AutoGrid: only pass componentId baseParam if we have one

componentId can be optional, _hasComponentId can be false
added pan control and street_view control to options
Add Trl for EditableItems
Overwrite for Trl as last commit would break static pages
Add Mail_Abstract_Trl with MasterAsChild to enable send trl-mail
fix encoding error for enquiry output

required as we gzip all output now