added sql script to add external field to url-table
added url handling for external landing pages
added external column to URL-Model where needed
added external page region to landing page formular
added functionality for external landing pages
removed array to string conversion in URL-Model
added translations
fixed copying of startglobals
Merge branch 'feature/copy-start-page' of https://github.com/drotter/ZOOLU into develop
Resolved conflicts
added unredirected external landing page
Merge branch 'feature/external-landingpage' of https://github.com/drotter/ZOOLU into develop
Fixed bugs on loading landingpages