Changes
/* Viewing Documents */
The latter contains a thumbnail grid view for all document-type children of the current object.
A click on such a thumbnail shows the document if it was already downloaded.Else, otherwise the document will be downloaded from the server and a dialog for showing it will be shown on success.
3rd party applications are used to show documents. Therefore, if no viewer for a certain file type (e.g. PDF) is installed, an error message will be shown.
