MetadataDetails: rename RDFTable classes
MetadataBrowser: adjust table and separator width
Dashboard: copyright header for template
ResourceAdapter: add getter for literals
MetadataBrowser: add rendered view
MetadataBrowser: avoid ugly nav bar
Merge pull request #74 from stoewer/gndata-editor-56-metabrowser

Metadata browser: html view and some smaller things
FileBrowser: Build proper breadcrumbnavigation from favorites
FileBrowser: Exclude hidden files/folders and metadata folder
Merge remote-tracking branch 'upstream/master' into filebrowser